- Which of the following cyclic molecules is an arene (aromatic)? [dfmc-1]
- molecule W
- molecule X
- molecule Y
- molecule Z

- Which of the following cyclic molecules is an alkane? [dfmc-2]
- molecule W
- molecule X
- molecule Y
- molecule Z

- Which of the following cyclic molecules is an alkene? [dfmc-3]
- molecule W
- molecule X
- molecule Y
- molecule Z

- Which of the following cyclic molecules is an ether? [dfmc-4]
- molecule W
- molecule X
- molecule Y
- molecule Z

- Which of the following conversions corresponds to a 'reforming' process? [dfmc-5]
- heptane to methylbenzene
- heptane to 3-methylhexane
- heptane to propene and butane
- heptane to 2,2,3-trimethylbutane

- Which of the following conversions corresponds to a 'cracking' process? [dfmc-6]
- heptane to methylbenzene
- heptane to 3-methylhexane
- heptane to propene and butane
- heptane to 2,2,3-trimethylbutane

- Which of the following conversions corresponds to an 'isomerisation' process? [dfmc-7]
- heptane to methylbenzene
- heptane to heptene
- heptane to propene and butane
- heptane to 2,2,3-trimethylbutane

- Which four numbers a, b, c and d are required to balance the equation ...

a CH_{4(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-8]- 1 2 1 2
- 1 1 1 2
- 1 2 2 1
- 1 1 1 1

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{2}H_{6(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-9]- 1 2 1 3
- 2 7 4 6
- 2 4 4 6
- 1 7 2 3

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{3}H_{8(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-10]- 1 3 3 4
- 2 10 4 6
- 1 5 3 4
- 2 5 2 3

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{4}H_{10(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-11]- 1 13 8 4
- 2 7 4 10
- 1 5 3 4
- 2 13 8 10

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{5}H_{12(l)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-12]- 1 8 5 6
- 1 4 4 6
- 2 4 5 12
- 2 8 10 12

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{6}H_{14(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-13]- 2 9 6 14
- 2 19 12 14
- 1 9 6 7
- 1 10 12 7

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{7}H_{16(l)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-14]- 1 5 7 8
- 2 12 14 16
- 1 11 7 8
- 2 11 14 16

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{8}H_{18(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-15]- 1 13 8 18
- 1 13 8 9
- 2 13 16 18
- 2 25 16 18

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{2}H_{4(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-16]- 1 3 2 2
- 1 2 2 2
- 2 3 4 4
- 2 6 4 4

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{3}H_{6(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-17]- 2 5 6 6
- 2 9 6 6
- 1 5 3 3
- 1 9 3 3

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{4}H_{8(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-18]- 2 12 8 8
- 2 6 8 8
- 1 6 4 4
- 1 3 4 4

- Which four numbers a, b, c and d are required to balance the equation ...

a C_{7}H_{8(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfmc-19]- 2 9 4 8
- 2 10 14 8
- 1 5 7 4
- 1 9 7 4

- Which of the following molecules has the highest boiling point? [dfmc-20]
- Which of the following molecules has the lowest octane rating? [dfmc-21]
- Which of the following molecules has the lowest boiling point? [dfmc-22]
- Which of the following molecules has the highest octane rating? [dfmc-23]
- Which of the following molecules has the highest boiling point? [dfmc-24]
- Between which of the following molecules do you get hydrogen bonding? [dfmc-25]
- Which word means breaking larger alkane molecules into smaller ones? [dfmc-26]
- polymerisation
- cracking
- reforming
- isomerisation

- Which word means changing changing the structural formula of a molecule without changing the molecular formula? [dfmc-27]
- polymerisation
- isomerisation
- reforming
- cracking

- Which word means changing open chain alkanes into cycloalkanes and arenes? [dfmc-28]
- polymerisation
- isomerisation
- reforming
- cracking

- What word means breaking down larger hydrocarbons into smaller ones? [dfsa-1]
- What word describes producing a more branched hydrocarbon from a straight chain one of same molecular formula? [dfsa-2]
- What word describes the petrochemical industry process of converting straight chain alkanes into cycloalkanes, cycloalkenes and aromatics? [dfsa-3]
- What is the molecular formula of ? [dfsa-4]
- Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a CH_{4(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-5] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{2}H_{6(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-6] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{3}H_{8(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-7] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{4}H_{10(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-8] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{5}H_{12(l)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-9] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{6}H_{14(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-10] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{7}H_{16(l)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-11] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{8}H_{18(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-12] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{2}H_{4(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-13] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{3}H_{6(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-14] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{4}H_{8(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-15] - Which four numbers a, b, c and d are required to balance the equation ... (enter the LOWEST WHOLE NUMBERS with SPACES between them)

a C_{7}H_{8(g)}+ b O_{2(g)}==> c CO_{2(g)}+ d H_{2}O_{(l)}? [dfsa-16] - Given the equation for the complete combustion of ethylbenzene ...

2C_{8}H_{10(g)}+ 21O_{2(g)}==> 16CO_{2(g)}+ 10H_{2}O_{(l)}

what volume, in cm^{3}, of oxygen, is needed to completely burn 10cm^{3}of vaporised ethylbenzene? (all gas volumes are measured at the same temperature and pressure) [dfsa-17] - Given the equation for the complete combustion of ethylbenzene ...

2C_{8}H_{10(g)}+ 21O_{2(g)}==> 16CO_{2(g)}+ 10H_{2}O_{(l)}

what volume, in cm^{3}, of carbon dioxide, is formed on completely burning 20cm^{3}of vaporised ethylbenzene? (all gas volumes are measured at the same temperature and pressure) [dfsa-18] - Given the equation for the complete combustion of ethylbenzene ...

2C_{8}H_{10(g)}+ 21O_{2(g)}==> 16CO_{2(g)}+ 10H_{2}O_{(l)}

what volume, in cm^{3}, of air, is needed to completely burn 30cm^{3}of vaporised ethylbenzene? (all gas volumes are measured at the same temperature and pressure, assume air is 21% oxygen) [dfsa-19] - Given the equation for the complete combustion of ethylbenzene ...

2C_{8}H_{10(g)}+ 21O_{2(g)}==> 16CO_{2(g)}+ 10H_{2}O_{(l)}

what volume, in cm^{3}, of ethylbenzene, is burned completely by 3dm^{3}of air? (all gas volumes are measured at the same temperature and pressure, assume air is 21% oxygen) [dfsa-20] - Given the equation for the complete combustion of ethylbenzene ...

2C_{8}H_{10(g)}+ 21O_{2(g)}==> 16CO_{2(g)}+ 10H_{2}O_{(l)}

what volume, in cm^{3}, of ethylbenzene, is burned completely by 225^{3}of air? (3 sig fig answer, all gas volumes are measured at the same temperature and pressure, assume air is 21% oxygen) [dfsa-21]