practise exam revision questions on useful oil products & organic chemistry for AQA, Edexcel, OCR, WJEC, CIE and CCEA GCSE higher tier GCSE chemistry courses at Doc Brown's Chemistry

Which word corresponds to a hydrocarbon molecule? [op-13]
1. compound
2. element
3. fraction
4. mixture
Which word corresponds to carbon? [op-14]
1. compound
2. element
3. fraction
4. mixture
Which word corresponds to a narrow boiling range of hydrocarbons from oil? [op-15]
1. compound
2. element
3. fraction
4. condensate
Which word corresponds to crude oil? [op-16]
1. compound
2. element
3. fraction
4. mixture
Which word corresponds to methane gas? [op-17]
1. compound
2. element
3. fraction
4. mixture
Which word corresponds to hydrogen? [op-18]
1. compound
2. element
3. fraction
4. mixture
Which word corresponds to a range of similar sized hydrocarbons from oil? [op-19]
1. compound
2. element
3. fraction
4. crackate
Which word corresponds to a fraction of crude oil? [op-20]
1. compound
2. element
3. evaporate
4. mixture
Which word means changing a gas into liquid? [op-21]
1. condensing
2. cracking
3. distilling
4. evaporating
Which word means breaking up big molecules into small ones? [op-22]
1. condensing
2. cracking
3. distilling
4. evaporating
Which of the following involves liquid to gas AND gas to liquid without chemical change? [op-23]
1. condensing
2. cracking
3. distilling
4. evaporating
Which word means what happens to spilt petrol? [op-24]
1. condensing
2. cracking
3. distilling
4. evaporating
Which of the following is TRUE about crude oil? [op-45]
1. formed from the decayed remains of plants and animals
2. its a renewable energy resource
3. its an infinite energy resource
4. its a compound
Which of the following is TRUE about crude oil? [op-46]
1. formed from the erosion of sedimentary rock
2. its a non-renewable energy resource
3. its an infinite energy resource
4. its a compound
Which of the following is TRUE about crude oil? [op-47]
1. formed from the erosion of sedimentary rock
2. its a renewable energy resource
3. its a finite energy resource
4. its a compound
Which of the following is TRUE about crude oil? [op-48]
1. formed from the erosion of sedimentary rock
2. its a renewable energy resource
3. its an infinite energy resource
4. its a mixture of hydrocarbons
Which of the following is TRUE about crude oil? [op-49]
1. the mixture can separated by distillation
2. its a non-fossil fuel
3. the molecules are all the same size
4. the components have the same boiling point
Which of the following is TRUE about crude oil? [op-50]
1. the mixture can't be separated by distillation
2. its a fossil fuel
3. the molecules are all the same size
4. the components have the same boiling point
Which of the following is TRUE about crude oil? [op-51]
1. the mixture can't be separated by distillation
2. its a non-fossil fuel
3. the molecules are of different size
4. the components have the same boiling point
Which of the following is TRUE about crude oil? [op-52]
1. the mixture can't be separated by distillation
2. its a non-fossil fuel
3. the molecules are the same size
4. the components have the different boiling points
Which is TRUE as a hydrocarbon molecule gets bigger (more carbon atoms in chain)? [op-53]
1. the boiling point gets higher
2. it gets more volatile (more easily vaporised)
3. it gets less viscous (less sticky)
4. it gets more easy to ignite (gets more flammable)
Which is TRUE as a hydrocarbon molecule gets bigger (more carbon atoms in chain)? [op-54]
1. the boiling point gets lower
2. it gets less volatile (less easily vaporised)
3. it gets less viscous (less sticky)
4. it gets more easy to ignite (gets more flammable)
Which is TRUE as a hydrocarbon molecule gets bigger (more carbon atoms in chain)? [op-55]
1. the boiling point gets lower
2. it gets more volatile (more easily vaporised)
3. it gets more viscous (more sticky)
4. it gets more easy to ignite (gets more flammable)
Which is TRUE as a hydrocarbon molecule gets bigger (more carbon atoms in chain)? [op-56]
1. the boiling point gets lower
2. it gets more volatile (more easily vaporised)
3. it gets less viscous (less sticky)
4. it gets less easy to ignite (gets less flammable)
Cracking is an example of? [op-57]
1. thermal decomposition
2. polymerisation
3. fractional distillation
4. combustion
Making plastics is an example of? [op-58]
1. thermal decomposition
2. polymerisation
3. fractional distillation
4. combustion
The separation of crude oil products is an example of? [op-59]
1. thermal decomposition
2. polymerisation
3. fractional distillation
4. combustion
Burning a fuel is an example of? [op-60]
1. thermal decomposition
2. polymerisation
3. fractional distillation
4. combustion
Which TRUE about the process of 'cracking' in the petrochemical oil industry? [op-61]
1. it needs a high temperature
2. it doesn't need a catalyst
3. it makes small molecules into more useful bigger molecules
4. it can make plastics
Which TRUE about the process of 'cracking' in the petrochemical oil industry? [op-62]
1. it needs a low temperature
2. it needs a catalyst
3. it makes small molecules into more useful bigger molecules
4. it can make plastics
Which TRUE about the process of 'cracking' in the petrochemical oil industry? [op-63]
1. it needs a low temperature
2. it doesn't need a catalyst
3. it makes big molecules into more useful smaller molecules like petrol
4. it can make plastics
Which TRUE about the process of 'cracking' in the petrochemical oil industry? [op-64]
1. it needs a low temperature
2. it doesn't need a catalyst
3. it makes small molecules into more useful bigger molecules like petrol
4. it can make small molecules to convert into plastics
Which corresponds to a process that has been occurring over a very long period of geological time? [op-65]
1. process J
2. process N
3. process K
4. process M
Which corresponds to a process of combustion? [op-66]
1. process J
2. process N
3. process K
4. process M
Which corresponds to a process of fractional distillation? [op-67]
1. process J
2. process N
3. process K
4. process M
Which corresponds to a process of polymerisation? [op-68]
1. process L
2. process N
3. process K
4. process M
Which corresponds to a process of cracking? [op-69]
1. process L
2. process Q
3. process K
4. process M
Which corresponds to a very slow process, sometimes described as 'non-biodegradable'? [op-70]
1. process L
2. process Q
3. process N
4. process M
Which corresponds to the cause of the 'greenhouse effect'? [op-71]
1. process L
2. process Q
3. process N
4. process M
Which corresponds to changing bigger molecules into smaller molecules with heat and a catalyst? [op-72]
1. process K
2. process Q
3. process N
4. process L
Which corresponds to changing small molecules into big molecules? [op-73]
1. process M
2. process Q
3. process N
4. process K
Which corresponds to a process that works because different hydrocarbons in oil having different boiling points? [op-74]
1. process L
2. process K
3. process N
4. process M
Which corresponds to a process that causes acid rain? [op-75]
1. process Q
2. process K
3. process N
4. process M
Which corresponds to the process that makes extra petrol that wasn't originally in the crude oil? [op-76]
1. process M
2. process K
3. process N
4. process L
Which is a chemical test for the gas hydrogen? [op-77]
1. pops with lit splint
2. turns limewater cloudy
3. relights a glowing splint
4. bleaches damp litmus paper
Which is a chemical test for the gas carbon dioxide? [op-78]
1. pops with a lit splint
2. turns limewater cloudy
3. relights a glowing splint
4. bleaches damp litmus paper
Which is a chemical test for water? [op-79]
1. turns orange potassium dichromate paper green
2. turns universal indicator orange
3. turns blue cobalt chloride paper pink
4. turns litmus paper green
Which is a chemical test for water? [op-80]
1. turns orange potassium dichromate paper green
2. turns universal indicator turquoise
3. turns litmus paper green
4. turns white copper sulfate blue
Which of the following, when fossil fuels are burned, causes acid rain? [op-81]
1. sulfur dioxide
2. carbon dioxide
3. carbon (soot)
4. carbon monoxide
Which of the following, when fossil fuels are burned causes the 'greenhouse effect'? [op-82]
1. sulfur dioxide
2. carbon dioxide
3. carbon (soot)
4. carbon monoxide
Which of the following, when fossil fuels are burned, is formed when there is lack of oxygen? [op-83]
1. sulfur dioxide
2. carbon dioxide
3. carbon (soot)
4. nitrogen dioxide
Which of the following, when fossil fuels are burned, is formed when there is lack of oxygen? [op-84]
1. sulfur dioxide
2. carbon dioxide
3. nitrogen dioxide
4. carbon monoxide
At 1 the crude oil is a ..?.. of hydrocarbons. [op-85]
1. mixture
2. volatiles
3. compounds
4. viscous
At 2 the hydrocarbons are? [op-86]
1. big molecules
2. volatile
3. not very flammable
4. viscous
At 1-4 the hydrocarbons are a ..?.. of hydrogen and carbon. [op-87]
1. atom
2. mixture
3. compound
4. fraction
At 4 the hydrocarbons are very? [op-88]
1. volatile
2. runny
3. flammable
4. viscous
At 1 the hydrocarbon mixture is? [op-89]
1. dark in colour
2. very flammable
3. like diesel
4. very runny
At 2 the hydrocarbon mixture is? [op-90]
1. dark in colour
2. very flammable
3. like diesel
4. viscous
At 3 the hydrocarbon mixture is? [op-91]
1. very dark in colour
2. very flammable
3. like diesel
4. very viscous
At 4 the hydrocarbon mixture is? [op-92]
1. very light in colour
2. very flammable
3. like diesel
4. not very flammable
... Substance X is a hydrocarbon with a low boiling point.
... Substance Y is a hydrocarbon with a high boiling point.
Which statement is TRUE about the hydrocarbons X and Y? [op-93]
1. X has smaller molecules than Y
2. X is less flammable than Y
3. X is less volatile than Y
4. X has more carbon atoms than Y
Substance X is a hydrocarbon with a low boiling point.
Substance Y is a hydrocarbon with a high boiling point.
Which statement is TRUE about the hydrocarbons X and Y? [op-94]
1. X has larger molecules than Y
2. X is more flammable than Y
3. X is less volatile than Y
4. X has more carbon atoms than Y
Substance X is a hydrocarbon with a low boiling point.
Substance Y is a hydrocarbon with a high boiling point.
Which statement is TRUE about the hydrocarbons X and Y? [op-95]
1. X has larger molecules than Y
2. X is less flammable than Y
3. X is more volatile than Y
4. X has more carbon atoms than Y
Substance X is a hydrocarbon with a low boiling point.
Substance Y is a hydrocarbon with a high boiling point.
Which statement is TRUE about the hydrocarbons X and Y? [op-96]
1. X has larger molecules than Y
2. X is less flammable than Y
3. X is less volatile than Y
4. X has fewer carbon atoms than Y
Substance X is a hydrocarbon with a low boiling point.
Substance Y is a hydrocarbon with a high boiling point.
Which statement is TRUE about the hydrocarbons X and Y? [op-97]
1. X is less viscous than Y
2. X is less flammable than Y
3. X is less volatile than Y
4. X has more carbon atoms than Y
The main waste products of the combustion of a hydrocarbon fuel are? [op-98]
1. carbon and water
2. carbon dioxide and water
3. carbon dioxide and hydrogen
4. carbon monoxide and water
The 'clean' or complete combustion of methane (natural gas) produces? [op-99]
1. carbon dioxide and hydrogen
2. carbon and water
3. carbon dioxide and water
4. carbon monoxide and water
The combustion of hydrogen produces? [op-100]
1. carbon dioxide only
2. carbon and water
3. carbon dioxide and water
4. only water
Which is a suitable physical test for a liquid thought to be pure water by seeing if it? [op-119]
1. boils at a particular temperature
2. mixes with oil
3. dissolves salt
4. freezes
Which is a definition of an atom? [op-120]
1. the smallest particles of matter that make up substances
2. collection of substances which keep their own properties and easily separated
3. two or more atoms joined together to make a bigger particle
4. two or more elements chemically joined together and not easily separated
Which is a definition of a mixture? [op-121]
1. the smallest particles of matter that make up substances
2. collection of substances which keep their own properties and easily separated
3. two or more atoms joined together to make a bigger particle
4. two or more elements chemically joined together and not easily separated
Which is a definition of a molecule? [op-122]
1. the smallest particles of matter that make up substances
2. collection of substances which keep their own properties and easily separated
3. two or more atoms joined together to make a bigger particle
4. two or more elements chemically joined together and not easily separated
Which is a definition of a compound? [op-123]
1. the smallest particles of matter that make up substances
2. collection of substances which keep their own properties and easily separated
3. two or more atoms joined together to make a bigger particle
4. two or more elements chemically joined together and not easily separated
Which of the following means a 'hydrocarbon'? [op-124]
1. a mixture of carbon and hydrogen atoms
2. a molecule made of carbon and hydrogen atoms chemically combined
3. a mixture of carbon and hydrogen molecules
4. a molecule made from reacting carbon and water
Which statement is TRUE about polymers (plastics)? [op-125]
1. poly(ethene) is readily broken down by microorganisms
2. poly(propene) is not easily shaped when softened by heat
3. poly(ethene) is used for plastic bags
4. poly(propene) is not strong enough to make into ropes
Which statement is TRUE about polymers (plastics)? [op-126]
1. poly(ethene) is readily broken down by microorganisms
2. poly(propene) is not easily shaped when softened by heat
3. poly(ethene) is too expensive to use for plastic bags
4. poly(propene) is strong enough to make into ropes
Which statement is TRUE about polymers (plastics)? [op-127]
1. poly(ethene) is not readily broken down by microorganisms
2. poly(propene) is not easily shaped when softened by heat
3. poly(ethene) is too expensive to use for plastic bags and bottles
4. poly(propene) is not strong enough to make into ropes
Which statement is TRUE about polymers (plastics)? [op-128]
1. poly(ethene) is readily broken down by microorganisms
2. poly(propene) is easily shaped when softened by heat
3. poly(ethene) is too expensive to use for bottles
4. poly(propene) is too weak to make into ropes
Which statement is TRUE about polymers (plastics)? [op-129]
1. poly(ethene) is readily broken down by microorganisms
2. poly(propene) is not easily shaped when softened by heat
3. poly(ethene) is cheap to use for plastic bottles
4. poly(propene) is too weak to make into ropes
Which statement is TRUE about polymers (plastics)? [op-130]
1. poly(ethene) is readily broken down by microorganisms
2. poly(propene) is not easily shaped when softened by heat
3. poly(ethene) is too expensive to use for plastic bottles
4. poly(propene) is strong enough to make into crates
Which statement is TRUE about polymers (plastics)? [op-131]
1. poly(propene) is not biodegradable
2. poly(propene) is not easily shaped when softened by heat
3. poly(ethene) is too expensive to use for plastic bottles
4. poly(propene) is not strong enough to make into crates
Which statement is TRUE about polymers (plastics)? [op-132]
1. poly(propene) is biodegradable
2. poly(ethene) is easily shaped when softened by heat
3. poly(ethene) is too expensive to use for plastic bottles
4. poly(propene) is not strong enough to make into crates
Which explains why the gasoline fraction is used for petrol? [op-133]
1. not too flammable and not too viscous
2. quite viscous but will not freeze or evaporate easily
3. a liquid that is easily vapourised and not too viscous
4. can be liquified under pressure but easily changes back to a gas
Which explains why the refinery gas fraction is used for 'camping gaz' burners? [op-134]
1. not too flammable and not too viscous
2. quite viscous but will not freeze or evaporate easily
3. a liquid that is easily vapourised and not too viscous
4. can be liquified under pressure but easily changes back to a gas
Which explains why the fuel oil fraction is used for central heating? [op-135]
1. not too flammable and not too viscous
2. quite viscous but will not freeze or evaporate easily
3. a liquid that is easily vapourised and not too viscous
4. can be liquified under pressure but easily changes back to a gas
Which explains why the lubricating oil fraction is used as a lubricant? [op-136]
1. not too flammable and not too viscous
2. quite viscous but will not freeze or evaporate easily
3. a liquid that is easily vapourised and not too viscous
4. can be liquified under pressure but easily changes back to a gas
Which represents an addition polymerisation reaction? [op-137]
1. ethene ==> poly(ethene)
2. methane + oxygen ==> carbon dioxide + water
3. hexane ==> butane + ethene
4. ethene + bromine ==> dibromoethane
Which represents a combustion reaction? [op-138]
1. ethene ==> poly(ethene)
2. methane + oxygen ==> carbon dioxide + water
3. hexane ==> butane + ethene
4. ethene + bromine ==> dibromoethane
Which represents a cracking reaction? [op-139]
1. ethene ==> poly(ethene)
2. methane + oxygen ==> carbon dioxide + water
3. hexane ==> butane + ethene
4. ethene + bromine ==> dibromoethane
Which represents a reaction that tests for ethene? [op-140]
1. ethene ==> poly(ethene)
2. ethene + oxygen ==> carbon dioxide + water
3. hexane ==> butane + ethene
4. ethene + bromine ==> dibromoethane
Below is a list of processes involved in the petrochemical industry.
1. combustion , 2. cracking , 3. drilling , 4. fractional distillation , 5. polymerisation
Which is the correct order to produce a plastic? [op-141]
1. 3 2 4 5
2. 2 5 1 4
3. 3 4 2 5
4. 4 2 3 5
Carbon monoxide has the formula CO. It is therefore? [op-142]
1. an atom
2. an element
3. a mixture
4. a compound
Which is a single compound? [op-143]
1. methane
2. carbon
3. lubricating oil
4. hydrogen
Which is a solid element? [op-144]
1. methane
2. carbon
3. bitumen tar
4. wax
Which is a mixture? [op-145]
1. methane
2. carbon
3. product(s) of burning methane
4. hydrogen
Which is a particularly toxic gas sometimes produced by faulty gas fires? [op-146]
1. methane
2. carbon dioxide
3. nitrogen
4. carbon monoxide
Which represents a thermal decomposition reaction? [op-147]
1. ethene ==> poly(ethene)
2. methane + oxygen ==> carbon dioxide + water
3. hexane ==> butane + ethene
4. ethene + bromine ==> dibromoethane
Which is a thermal decomposition reaction in the petrochemical industry? [op-148]
1. combustion
2. addition polymerisation
3. fractional distillation
4. cracking
What is formed by the complete combustion of wax? [op-161]
1. water + carbon dioxide
2. water only
3. carbon dioxide only
4. carbon monoxide and water
What may be formed by the incomplete combustion of petrol? [op-162]
1. water + carbon dioxide
2. water, carbon dioxide and carbon monoxide
3. only carbon dioxide
4. only water
Drips of a colourless liquid were seen at the end of a car exhaust. The colourless liquid is most likely to be? [op-163]
1. unburned petrol
2. engine oil
3. water
4. partly burned petrol
A sample of gas from a car exhaust was tested with limewater and gave a white precipitate. The gas was most likely to be? [op-164]
1. carbon monoxide
2. unburned petrol vapour
3. partly burned petrol vapour
4. carbon dioxide
Poly(ethene) and poly(propene) are described as examples of? [op-165]
1. plastics
2. fuels
3. hydrocarbons
4. crackates
Petrol and diesel are best described as examples of? [op-165]
1. plastics
2. fuels
3. lubricants
4. crackates
Incomplete combustion can happen when there is a shortage of? [op-167]
1. carbon dioxide
2. fuel
3. oxygen
4. carbon monoxide
Biodegradable plastics are environmentally friendly because they? [op-168]
1. are structurally weak
2. don't produce harmful fumes when burned
3. are not attacked by fungus
4. rot away in a land fill site
Which is a hydrocarbon molecule? [op-169]
1. C₂H₆
2. C₂H₅Br
3. C₂H₅OH
4. CH₃COOH
$fractionQ.jpg$ The following 'carbon numbers' correspond to gasoline, bottled gas, bitumen and kerosene. Which is likely to be gasoline? [op-170]
1. 3 carbon atoms
2. 8 carbon atoms
3. 15 carbon atoms
4. over 40 carbon atoms
$fractionQ.jpg$ The following 'carbon numbers' correspond to gasoline, bottled gas, bitumen and kerosene. Which is likely to be kerosene? [op-171]
1. 3 carbon atoms
2. 8 carbon atoms
3. 15 carbon atoms
4. over 40 carbon atoms
$fractionQ.jpg$ The following 'carbon numbers' correspond to gasoline, bottled gas, bitumen and kerosene. Which is likely to be bitumen? [op-172]
1. 3 carbon atoms
2. 8 carbon atoms
3. 15 carbon atoms
4. over 40 carbon atoms
$fractionQ.jpg$ The following 'carbon numbers' correspond to gasoline, bottled gas, bitumen and kerosene. Which is likely to be bottled gas? [op-173]
1. 3 carbon atoms
2. 8 carbon atoms
3. 15 carbon atoms
4. over 40 carbon atoms
$fractionQ.jpg$ The 'carbon numbers' correspond to molecules with different uses: for road surfacing, petrol engine fuel, camping gas and diesel engine fuel. Which best matches petrol fuel? [op-174]
1. 3 carbon atoms
2. 8 carbon atoms
3. 20 carbon atoms
4. over 40 carbon atoms
$fractionQ.jpg$ The 'carbon numbers' correspond to molecules with different uses: for road surfacing, petrol engine fuel, camping gas and diesel engine fuel. Which best matches diesel fuel? [op-175]
1. 3 carbon atoms
2. 8 carbon atoms
3. 20 carbon atoms
4. over 40 carbon atoms
$fractionQ.jpg$ The 'carbon numbers' correspond to molecules with different uses: for road surfacing, petrol engine fuel, camping gas and diesel engine fuel. Which best matches road surfacing material? [op-176]
1. 3 carbon atoms
2. 8 carbon atoms
3. 20 carbon atoms
4. over 40 carbon atoms
$fractionQ.jpg$ The 'carbon numbers' correspond to molecules with different uses: for road surfacing, petrol engine fuel, camping gas and diesel engine fuel. Which best matches camping gas? [op-177]
1. 3 carbon atoms
2. 8 carbon atoms
3. 20 carbon atoms
4. over 40 carbon atoms
$fractionQ.jpg$ The following 'carbon numbers' correspond to hydrocarbon molecules with different characteristics. These are: a not very flammable oily liquid, a light flammable liquid, a thick viscous (sticky) liquid, and a flammable gas. Which corresponds to a light flammable liquid? [op-178]
1. 3 carbon atoms
2. 8 carbon atoms
3. 15 carbon atoms
4. 30 carbon atoms
$fractionQ.jpg$ The following 'carbon numbers' correspond to hydrocarbon molecules with different characteristics. These are: a not very flammable oily liquid, a light flammable liquid, a thick viscous (sticky) liquid, and a flammable gas. Which corresponds to a not very flammable liquid? [op-179]
1. 3 carbon atoms
2. 8 carbon atoms
3. 15 carbon atoms
4. 30 carbon atoms
$fractionQ.jpg$ The following 'carbon numbers' correspond to hydrocarbon molecules with different characteristics. These are: a not very flammable oily liquid, a light flammable liquid, a thick viscous (sticky) liquid, and a flammable gas. Which corresponds to a thick viscous liquid? [op-180]
1. 3 carbon atoms
2. 8 carbon atoms
3. 15 carbon atoms
4. 30 carbon atoms
$fractionQ.jpg$ The following 'carbon numbers' correspond to hydrocarbon molecules with different characteristics. These are: a not very flammable oily liquid, a light flammable liquid, a thick viscous (sticky) liquid, and a flammable gas. Which corresponds to a flammable gas? [op-181]
1. 3 carbon atoms
2. 8 carbon atoms
3. 15 carbon atoms
4. 30 carbon atoms
Which is a plastic? [op-182]
1. petrol
2. polythene
3. paraffin
4. propanol
Which is a plastic? [op-183]
1. petrol
2. paraffin
3. polypropene
4. propanol
Which is a plastic? [op-184]
1. PDB
2. ASE
3. DDT
4. PVC
[op-1] Which four quantities a, b, c and d are required to balance the equation?
a CH_4(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 1 2 1 2
2. 1 1 1 2
3. 1 2 2 1
4. 1 1 1 1
[op-2] Which four quantities a, b, c and d are required to balance the equation?
a C₂H_6(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 1 2 1 3
2. 2 7 4 6
3. 2 4 4 6
4. 1 7 2 3
[op-3] Which four quantities a, b, c and d are required to balance the equation?
a C₃H_8(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 1 3 3 4
2. 2 10 4 6
3. 1 5 3 4
4. 2 5 2 3
[op-4] Which four quantities a, b, c and d are required to balance the equation?
a C₄H_10(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 1 13 8 4
2. 2 7 4 10
3. 1 5 3 4
4. 2 13 8 10
[op-5] Which four quantities a, b, c and d are required to balance the equation?
a C₅H_12(l) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 1 8 5 6
2. 1 4 4 6
3. 2 4 5 12
4. 2 8 10 12
[op-6] Which four quantities a, b, c and d are required to balance the equation?
a C₆H_14(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 2 9 6 14
2. 2 19 12 14
3. 1 9 6 7
4. 1 10 12 7
[op-7] Which four quantities a, b, c and d are required to balance the equation?
a C₇H_16(l) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 1 5 7 8
2. 2 12 14 16
3. 1 11 7 8
4. 2 11 14 16
[op-8] Which four quantities a, b, c and d are required to balance the equation?
a C₈H_18(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 1 13 8 18
2. 1 13 8 9
3. 2 13 16 18
4. 2 25 16 18
[op-9] Which four quantities a, b, c and d are required to balance the equation?
a C₂H_4(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 1 3 2 2
2. 1 2 2 2
3. 2 3 4 4
4. 2 6 4 4
[op-10] Which four quantities a, b, c and d are required to balance the equation?
a C₃H_6(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 2 5 6 6
2. 2 9 6 6
3. 1 5 3 3
4. 1 9 3 3
[op-11] Which four quantities a, b, c and d are required to balance the equation?
a C₄H_8(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 2 12 8 8
2. 2 6 8 8
3. 1 6 4 4
4. 1 3 4 4
[op-12] Which four quantities a, b, c and d are required to balance the equation?
a C₇H_8(g) + b O_2(g) ==> c CO_2(g) + d H₂O_(l)
1. 2 9 4 8
2. 2 10 14 8
3. 1 5 7 4
4. 1 9 7 4
Which molecule is natural gas? [op-25]
Which molecule is methane? [op-26]
Which molecule has the lowest boiling point? [op-27]
Which molecule reacts readily reacts and decolourises bromine water at room temperature? [op-28]
Which molecule is unsaturated? [op-29]
Which molecule can be polymerised to a plastic material? [op-30]
Which molecule is an alkene? [op-31]
Which molecule has the highest boiling point? [op-32]
Which molecule readily reacts to decolourise bromine water? [op-33]
Which molecule is unsaturated? [op-34]
Which molecule can be polymerised to form a plastic material? [op-35]
Which molecule is an alkene? [op-36]
Which of the molecules is saturated? [op-37]
Which of the molecules is an alkane? [op-38]
Which of the molecules is saturated? [op-39]
Which of the molecules is saturated? [op-40]
Which molecule has the lowest boiling point? [op-41]
Which molecule is most likely to be a liquid? [op-42]
Which molecule is likely to be the most chemically reactive? [op-43]
Which molecule has the highest boiling point? [op-44]
Which is TRUE about an alkane hydrocarbon molecule? [op-101]
1. it is saturated
2. it has single and double covalent bonds
3. it readily reacts with bromine
4. it can be polymerised to a plastic polymer
Which is TRUE about an alkane hydrocarbon molecule? [op-102]
1. it is unsaturated
2. it has single covalent bonds only
3. it readily reacts with bromine
4. it can be polymerised to a plastic polymer
Which is TRUE about an alkane hydrocarbon molecule? [op-103]
1. it is unsaturated
2. it has single and double covalent bonds
3. it does not readily react with bromine
4. it can be polymerised to a plastic polymer
Which is TRUE about an alkane hydrocarbon molecule? [op-104]
1. it is unsaturated
2. it has single and double covalent bonds
3. it readily reacts with bromine
4. it cannot be polymerised to a plastic polymer
Which is TRUE about an alkene hydrocarbon molecule? [op-105]
1. it is unsaturated
2. it has single covalent bonds only
3. it does not readily react with bromine
4. it cannot be polymerised to a plastic polymer
Which is TRUE about an alkene hydrocarbon molecule? [op-106]
1. it is saturated
2. it has single and double covalent bonds
3. it does not readily react with bromine
4. it cannot be polymerised to a plastic polymer
Which is TRUE about an alkene hydrocarbon molecule? [op-107]
1. it is saturated
2. it has single covalent bonds only
3. it readily reacts with bromine
4. it cannot be polymerised to a plastic polymer
Which is TRUE about an alkene hydrocarbon molecule? [op-108]
1. it is saturated
2. it has single covalent bonds only
3. it does not readily react with bromine
4. it can be polymerised to a plastic polymer
The drawings show 'space-filling' diagrams of four hydrocarbon molecules.
Which is unsaturated? [op-109]
1. molecule 2
2. molecule 1
3. molecule 3
4. molecule 6
The drawings show 'space-filling' diagrams of four hydrocarbon molecules.
Which is an alkene? [op-110]
1. molecule 1
2. molecule 2
3. molecule 3
4. molecule 6
The drawings show 'space-filling' diagrams of four hydrocarbon molecules.
Which are alkanes? [op-111]
1. molecules 2 and 4
2. molecule 2 only
3. molecules 1 and 3
4. molecule 1 only
The drawings show 'space-filling' diagrams of four hydrocarbon molecules.
Which are alkenes? [op-112]
1. molecules 1 and 3
2. molecule 2 only
3. molecule 1 only
4. molecules 2 and 4
What polymer is formed from this molecule? [op-113]
1. poly(ethene)
2. poly(propene)
3. poly(styrene)
4. poly(vinyl chloride)
What polymer is formed from this molecule? [op-114]
1. poly(ethene)
2. poly(propene)
3. poly(styrene)
4. poly(vinyl chloride)
The drawings show 'space-filling' diagrams of four hydrocarbon molecules.
Which has the formula C₂H₆? [op-115]
1. molecule 5
2. molecule 6
3. molecule 3
4. molecule 4
The drawings show 'space-filling' diagrams of four hydrocarbon molecules.
Which has the formula C₃H₆? [op-116]
1. molecule 5
2. molecule 6
3. molecule 3
4. molecule 4
The drawings show 'space-filling' diagrams of four hydrocarbon molecules.
Which has the formula C₃H₈? [op-117]
1. molecule 5
2. molecule 6
3. molecule 3
4. molecule 4
The drawings show 'space-filling' diagrams of four hydrocarbon molecules.
Which has the formula C₄H₁₀? [op-118]
1. molecule 5
2. molecule 6
3. molecule 3
4. molecule 4
A student made some sketches of possible addition polymer structures. Which one of the following could be a correct structure? [op-149]
1. structure (2)
2. structure (4)
3. structure (3)
4. structure (5)
A student made some sketches of possible addition polymer structures. Which one of the following could be a correct structure? [op-150]
1. structure (4)
2. structure (6)
3. structure (3)
4. structure (5)
A test for alkenes is to shake it with bromine water and look for decolourisation of the orange colour of bromine. If ethene was tested in this way, which student correctly predicted the structure of the product? [op-151]
1. Joe
2. Tanya
3. Fred
4. Suzy
The bonding between atoms in a hydrocarbon molecule is? [op-152]
1. ionic only
2. intermolecular only
3. ionic and covalent
4. covalent only
'Cracking' or thermal decomposition is used in the oil industry to convert higher fractions of hydrocarbons into more useful molecules. For example, lower alkanes for petrol or alkenes for making plastics. Given the following cracking equation, what is the missing molecule? [op-153]
C₉H₂₀ ==> C₇H₁₆ + ????
1. C₂H₄
2. C₂H₆
3. C₃H₆
4. C₃H₈
'Cracking' or thermal decomposition is used in the oil industry to convert higher fractions of hydrocarbons into more useful molecules. For example, lower alkanes for petrol or alkenes for making plastics. Given the following cracking equation, what is the missing molecule? [op-154]
C₁₀H₂₂ ==> C₆H₁₂ + ????
1. C₄H₈
2. C₄H₁₀
3. 2C₂H₄
4. C₄H₁₂
'Cracking' or thermal decomposition is used in the oil industry to convert higher fractions of hydrocarbons into more useful molecules. For example, lower alkanes for petrol or alkenes for making plastics. Given the following cracking equation, what is the missing molecule? [op-155]
C₁₀H₂₂ ==> CH₄ + C₆H₁₂ + ????
1. C₂H₄
2. C₂H₆
3. C₃H₆
4. C₃H₈
'Cracking' or thermal decomposition is used in the oil industry to convert higher fractions of hydrocarbons into more useful molecules. For example, lower alkanes for petrol or alkenes for making plastics. Given the following cracking equation, what is the missing molecule? [op-156]
C₁₂H₂₆ ==> C₂H₄ + C₇H₁₄ + ????
1. C₂H₄
2. C₄H₈
3. C₃H₆
4. C₃H₈
Which is a suitable chemical test for an alkene, to distinguish it from an alkane? [op-157]
1. an alkene decolourises orange bromine water
2. an alkene burns with a more smokey flame
3. an alkane reacts with bromine water when bright light is shone on the mixture
4. the alkane with the same number of carbon atoms has a slightly higher boiling point
Which of the following explains why alkenes are more reactive than alkanes? [op-158]
1. alkenes have a smaller molecular mass than the corresponding alkane with the same number of carbon atoms
2. alkenes have a reactive C=C double bond
3. alkenes have a lower boiling point than the corresponding alkane with the same number of carbon atoms
4. the C=C double bond in alkenes is weaker than the C-C single bond
'Cracking' or thermal decomposition is used in the oil industry to convert higher fractions of hydrocarbons into more useful molecules. For example, lower alkanes for petrol or alkenes for making plastics. Given the following cracking equation, what is the missing molecule? [op-159]
C₁₆H₃₄ ==> C₂H₄ + C₇H₁₆ + H₂ + ????
1. C₆H₁₂
2. C₆H₁₄
3. C₇H₁₂
4. C₇H₁₄
'Cracking' or thermal decomposition is used in the oil industry to convert higher fractions of hydrocarbons into more useful molecules. For example, lower alkanes for petrol or alkenes for making plastics. Given the following cracking equation, what is the missing molecule? [op-160]
C₁₈H₃₈ ==> C₃H₈ + C₇H₁₄ + H₂ + ????
1. C₇H₁₆
2. C₇H₁₄
3. C₈H₁₆
4. C₈H₁₄
Which of the following statements is TRUE? [op-185]
1. the monomer to make polythene is ethene
2. unsaturated hydrocarbons are generally unreactive
3. unsaturated hydrocarbons have no carbon-carbon double bond
4. a hydrocarbon of formula C₃H₈ will decolourise bromine water
Which of the following statements is TRUE? [op-186]
1. the monomer to make polythene is ethane
2. unsaturated hydrocarbons are generally reactive
3. unsaturated hydrocarbons have no carbon-carbon double bond
4. a hydrocarbon of formula C₃H₈ will decolourise bromine water
Which of the following statements is TRUE? [op-187]
1. the monomer to make polythene is ethane
2. unsaturated hydrocarbons are generally unreactive
3. unsaturated hydrocarbons have a carbon-carbon double bond
4. a hydrocarbon of formula C₄H₁₀ will decolourise bromine water
Which of the following statements is TRUE? [op-188]
1. the monomer to make polypropene is propane
2. unsaturated hydrocarbons are generally unreactive
3. unsaturated hydrocarbons have no carbon-carbon double bond
4. a hydrocarbon of formula C₄H₈ will decolourise bromine water
Which of the following statements is TRUE? [op-189]
1. the monomer to make polypropene is propene
2. unsaturated hydrocarbons are generally unreactive
3. unsaturated hydrocarbons have no carbon-carbon double bond
4. a hydrocarbon of formula C₄H₁₀ will decolourise bromine water
Which of the following statements is TRUE? [op-190]
1. the monomer to make polypropene is propane
2. the products of cracking a long chain hydrocarbon are more volatile
3. unsaturated hydrocarbons have no carbon-carbon double bond
4. a hydrocarbon of formula C₄H₁₀ will decolourise bromine water
Which of the following statements is TRUE? [op-191]
1. a hydrocarbon of formula C₄H₁₀ will decolourise bromine water
2. the monomer to make polypropene is propane
3. the products of cracking a long chain hydrocarbon are more flammable
4. addition polymers are made by combining alkane monomers
Which of the following statements is TRUE? [op-192]
1. a hydrocarbon of formula C₄H₁₀ will decolourise bromine water
2. the monomer to make polypropene is propane
3. the products of cracking a long chain hydrocarbon are more viscous
4. addition polymers are made by combining alkene monomers
Which of these will decolourise bromine water? [op-193]
1. ethene
2. poly(ethene)
3. propane
4. butane
Which of these will decolourise bromine water? [op-194]
1. ethane
2. propene
3. propane
4. poly(ethene)
The general formula for alkanes is C_nH_{2n + 2}, where n is an integer (1, 2, 3 etc.). Which is the correct general formula for an alkene? [op-195]
1. C_nH_{2n + 1}
2. C_nH_n
3. C_nH_2n
4. C_nH_{2n - 2}
The general formula for alkenes is C_nH_2n, where n is an integer (1, 2, 3 etc.). Which is the correct general formula for an alkane? [op-196]
1. C_nH_{2n + 1}
2. C_nH_n
3. C_nH_{2n - 2}
4. C_nH_{2n + 2}
Which of these statements is TRUE about crude oil and fractional distillation? [op-197]
1. crude oil consists of short and long chain hydrocarbons
2. short chain hydrocarbons condense at the bottom of the column
3. crude oil fractions are burned to crack them
4. hydrocarbons at the bottom of the column have a low viscosity
Which of these statements is TRUE about crude oil and fractional distillation? [op-198]
1. crude oil consists of long chain hydrocarbons
2. short chain hydrocarbons condense at the top of the column
3. crude oil fractions are burned to crack them
4. hydrocarbons at the bottom of the column have a low viscosity
Which of these statements is TRUE about crude oil and fractional distillation? [op-199]
1. crude oil consists of long chain hydrocarbons
2. long chain hydrocarbons condense at the top of the column
3. crude oil fractions are heated with a catalyst to crack them
4. hydrocarbons at the bottom of the column have a low viscosity
Which of these statements is TRUE about crude oil and fractional distillation? [op-200]
1. crude oil consists of long chain hydrocarbons
2. long chain hydrocarbons condense at the top of the column
3. crude oil fractions are burned to crack them
4. hydrocarbons at the bottom of the column have a high viscosity
Which of these statements is TRUE about crude oil and fractional distillation? [op-201]
1. hydrocarbons at the top of the column are flammable
2. long chain hydrocarbons condense at the top of the column
3. crude oil fractions are burned to crack them
4. hydrocarbons at the bottom of the column have a low viscosity
Which of these statements is TRUE about crude oil and fractional distillation? [op-202]
1. hydrocarbons at the bottom of the column are flammable
2. surplus long chain fractions can be cracked to make more petrol
3. very short chain fractions are cracked to make alkenes for plastics
4. hydrocarbons towards the bottom of the column have no use at all
Which of these statements is TRUE about crude oil and fractional distillation? [op-203]
1. hydrocarbons at the bottom of the column are flammable
2. very short chain fractions can be cracked to make more petrol
3. surplus long chain fractions are cracked to make alkenes for plastics
4. hydrocarbons towards the bottom of the column have no use at all
Which of these statements is TRUE about crude oil and fractional distillation? [op-204]
1. hydrocarbons at the bottom of the column are flammable
2. very short chain fractions can be cracked to make more petrol
3. long chain fractions cannot be cracked to make alkenes for plastics
4. hydrocarbons towards the bottom of the column have some limited uses
The diagram shows the formation of a polymer. Which is TRUE? [op-205]
1. in the monomer molecule the bonds shown between the carbon atoms are double covalent bonds
2. the monomer is reactive because it has easily broken single bond
3. the diagram shows a condensation polymerisation
4. when W, X, Y and Z are hydrogen the monomer is ethane and the polymer is poly(ethane)
The diagram shows the formation of a polymer. Which is TRUE? [op-206]
1. in the monomer molecule the bonds shown between the carbon atoms are triple covalent bonds
2. the monomer is reactive because it has an easily broken double bond
3. the diagram shows a condensation polymerisation
4. when W, X, Y and Z are hydrogen the monomer is ethane and the polymer is poly(ethane)
The diagram shows the formation of a polymer. Which is TRUE? [op-207]
1. in the monomer molecule the bonds shown between the atoms are all single covalent bonds
2. the monomer is reactive because it has an easily broken single bond
3. the diagram shows an addition polymerisation
4. when W, X, Y and Z are hydrogen the monomer is ethane and the polymer is poly(ethane)
The diagram shows the formation of a polymer. Which is TRUE? [op-208]
1. in the monomer molecule the bonds shown between the atoms are all single covalent bonds
2. the monomer is reactive because it has an easily broken single bond
3. the diagram shows a condensation polymerisation
4. when W, X, Y and Z are hydrogen the monomer is ethene and the polymer is poly(ethene)
Which of the following is an alkane? [eo-1]
Which of the following is a carboxylic acid? [eo-2]
Which of the following is an alkene? [eo-3]
Which of the following is an ester? [eo-4]
Which of the following is an alcohol? [eo-5]
Which of the following is called propane? [eo-6]
Which of the following is called propanoic acid? [eo-7]
Which of the following is called propene? [eo-8]
Which of the following is called methyl ethanoate? [eo-9]
Which of the following is called propan-1-ol? [eo-10]
Which of the following is a hydrocarbon fuel that does not readily react with bromine? [eo-11]
Which of the following 'fizzes' with a carbonate and forms an ester with alcohols? [eo-12]
Which of the following readily reacts with bromine to produce a colourless product? [eo-13]
Which of the following is a pleasant smelling liquid of a type of molecule used in perfumes and flavourings? [eo-14]
Which of the following is a molecule that reacts with organic acids to form pleasant smelling esters? [eo-15]
Which of the following is an 'ESTERIFICATION' type of reaction? [eo-16]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is an 'ALCOHOL COMBUSTION' type of reaction? [eo-17]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'HYDROCARBON COMBUSTION' type of reaction? [eo-18]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'ADDITION POLYMERISATION' type of reaction? [eo-19]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'CONDENSATION POLYMERISATION' type of reaction? [eo-20]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'FERMENTATION' type of reaction? [eo-21]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'NEUTRALISATION' type of reaction? [eo-22]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is a 'CRACKING' type of reaction? [eo-23]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following represents 'PHOTOSYNTHESIS'? [eo-24]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following represents 'RESPIRATION'? [eo-25]
1. CH₃COOH + C₂H₅OH ==> CH₃COOC₂H₅ + H₂O
2. C₂H₅OH + 3O₂ ==> 2CO₂ + 3H₂O
3. C₃H₈ + 5O₂ ==> 3CO₂ + 4H₂O
4. n CH₂=CH₂ ==> (-CH₂-CH₂-)_n
5. n HO-XXX-OH ==> (-O-XXX-)_n + nH₂O
6. C₆H₁₂O₆ ==> 2C₂H₅OH + 2CO₂
7. CH₃COOH + NaOH ==> CH₃COONa + H₂O
8. C₆H₁₄ => C₂H₄ + C₄H₁₀
9. 6CO₂ + 6H₂O ==> C₆H₁₂O₆ + 6O₂
10. C₆H₁₂O₆ + 6O₂ ==> 6CO₂ + 6H₂O
Which of the following is an 'ESTERIFICATION' type of reaction? [eo-26]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is an 'ALCOHOL COMBUSTION' type of reaction? [eo-27]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'HYDROCARBON COMBUSTION' type of reaction? [eo-28]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is an 'ADDITION POLYMERISATION' type of reaction? [eo-29]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'CONDENSATION POLYMERISATION' type of reaction? [eo-30]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'FERMENTATION' type of reaction? [eo-31]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'NEUTRALISATION' type of reaction? [eo-32]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following is a 'CRACKING' type of reaction? [eo-33]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following represents 'PHOTOSYNTHESIS'? [eo-34]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following represents 'RESPIRATION' reaction? [eo-35]
1. ethanoic acid + ethanol ==> ethyl ethanoate + water
2. ethanol + oxygen ==> carbon dioxide + water
3. propane + oxygen ==> carbon dioxide + water
4. ethene ==> poly(ethene)
5. glucose ==> starch + water
6. glucose ==> ethanol + carbon dioxide
7. ethanoic acid + sodium hydroxide ==> sodium ethanoate + water
8. hexane ==> ethene + butane
9. carbon dioxide + water ==> glucose + oxygen
10. glucose + oxygen ==> carbon dioxide + water
Which of the following chemical reagents and reaction conditions is used in the laboratory to convert 'ethanol to ethanoic acid'? [eo-36]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. heating with aqueous sodium hydroxide
4. hydrogen gas and nickel catalyst
Which of the following chemical reagents and reaction conditions is used in industry to convert 'ethene to ethanol'? [eo-37]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. heating with aqueous sodium hydroxide
4. hydrogen gas and nickel catalyst
Which of the following chemical reagents and reaction conditions is used in the laboratory or industry to convert 'natural vegetable oils to soap'? [eo-38]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. heating with aqueous sodium hydroxide
4. hydrogen gas and nickel catalyst
Which of the following chemical reagents and reaction conditions is used in industry to convert 'vegetable oils to margarine'? [eo-39]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. heating with aqueous sodium hydroxide
4. hydrogen gas and nickel catalyst
Which of the following chemical reagents and reaction conditions is used in to 'breakdown protein into amino acids'? [eo-40]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. hydrogen gas and nickel catalyst
4. heating with hydrochloric acid
Which of the following chemical reagents and reaction conditions is used in to 'breakdown starch into glucose'? [eo-41]
1. acidified potassium dichromate(VI)
2. steam and phosphoric(V) acid catalyst
3. hydrogen gas and nickel catalyst
4. heating with hydrochloric acid
Which of the following molecular pictures corresponds to a 'typical thermoplastic' used for making bottles? [eo-42]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to a 'thermoplastic fibre'? [eo-43]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to a 'hard thermoset plastic'? [eo-44]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to unprocessed 'thermosoftening plastic'? [eo-45]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to 'Nylon or Terylene used in clothing'? [eo-46]
1. picture 1
2. picture 2
3. picture 3
Which of the following molecular pictures corresponds to the 'plastic set in a fibre glass car body'? [eo-47]
1. picture 1
2. picture 2
3. picture 3
Which of the following separation methods of would be used to 'separate amino acids from hydrolysed protein? [eo-48]
1. chromatography
2. fractional distillation
3. filtration
4. crystallisation
Which of the following separation methods of would be used to 'obtain much purer ethanol/alcohol from fermented sugar solution? [eo-49]
1. chromatography
2. fractional distillation
3. filtration
4. crystallisation
Which of the following separation methods of would be used to 'remove yeast from fermented sugar solution? [eo-50]
1. chromatography
2. fractional distillation
3. filtration
4. crystallisation
Which of the following separation methods of would be used to 'obtain a purer sample of aspirin powder from a chemical preparation of it? [eo-51]
1. chromatography
2. fractional distillation
3. filtration
4. crystallisation
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is most likely to readily react with bromine? [eo-52]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is both a carboxylic acid and an ester? [eo-53]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is not an ester, but is a carboxylic acid? [eo-54]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of the molecules contains one element the other three do not have in their structure? [eo-55]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them has the formula C₆H₈O₆? [eo-56]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them has the formula C₉H₈O₄? [eo-57]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them has the formula C₁₃H₁₈O₂? [eo-58]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them has the formula C₈H₉NO₂? [eo-59]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them can form an ester with a carboxylic acid and readily form a dibromo compound with bromine? [eo-60]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is an ester and can still form an ester with an alcohol? [eo-61]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is not an ester, but can form an ester with an alcohol and will not readily react with bromine? [eo-62]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is not an ester or a carboxylic acid or an alcohol? [eo-63]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
Which of the following general formula represents the homologous series of alkanes? [eo-6]
1. C_nH_2n+2 where n = 1, 2, 3, ...
2. C_nH_2n where n = 2, 3, 4, ...
3. C_nH_2n+1OH where n = 1, 2, 3, ...
4. C_nH_2n+1COOH where n = 0, 1, 2, ...
Which of the following general formula represents the homologous series of alkenes? [eo-65]
1. C_nH_2n+2 where n = 1, 2, 3, ...
2. C_nH_2n where n = 2, 3, 4, ...
3. C_nH_2n+1OH where n = 1, 2, 3, ...
4. C_nH_2n+1COOH where n = 0, 1, 2, ...
Which of the following general formula represents the homologous series of alcohols? [eo-66]
1. C_nH_2n+2 where n = 1, 2, 3, ...
2. C_nH_2n where n = 2, 3, 4, ...
3. C_nH_2n+1OH where n = 1, 2, 3, ...
4. C_nH_2n+1COOH where n = 0, 1, 2, ...
Which of the following general formula represents the homologous series of carboxylic acids? [eo-67]
1. C_nH_2n+2 where n = 1, 2, 3, ...
2. C_nH_2n where n = 2, 3, 4, ...
3. C_nH_2n+1OH where n = 1, 2, 3, ...
4. C_nH_2n+1COOH where n = 0, 1, 2, ...
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them is good at removing harmful free radicals in the body? [eo-68]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol
The diagrams above show the molecular structure of three common synthetic pain killers (analgesics) and the naturally occurring vitamin C (ascorbic acid) found in fruit and vegetables.
Which of them does NOT produce fizzing when mixed with water and a carbonate? [eo-69]
1. ascorbic acid (vitamin C)
2. aspirin
3. ibuprofen
4. paracetamol

m/c Quiz on "Oil, its products and organic chemistry" (harder-higher tier GCSE level @ doc brown's chemistry)