Doc Brown's Chemistry

OCR GCE AS CHEMISTRY OCR Advanced Subsidiary GCE Chemistry A H034

My unofficial support for this OCR GCE AS Advanced Subsidiary  Chemistry Syllabus-Specification. Scroll down and each module, topic or unit of the specification is linked to potentially useful sections on this site.

OCR A2 Chemistry A * Salters AS Chemistry B * Salters A2 Chemistry B * OCR GCSE 21st Century Science-Chemistry * OCR GCSE Gateway Science-Chemistry * OCR GCSE Applied Science-Chemistry (double award)

 READ CAREFULLY  My 'A level' chemistry notes are far from complete BUT by clicking on the links for [ORGANIC], [INORGANIC], [PHYSICAL-THEORETICAL] and [useful UK based GCSE/IGCSE revision notes] you should find things to help on a particular topic.  By following a link you will find some useful information and use the sub-indexes of key words or headings at the top of each page. To return to this page click on the <== back on the browser link bar. All the syllabus-topic-unit titles are taken from the official syllabus. I do not have time to deliver extended responses to email questions and do NOT ask for past papers. * EMAIL query?comment

Summary of OCR GCE Advanced Subsidiary Chemistry AS Units and Contents Links

Unit F321: Atoms, Bonds and Groups

1.1 Module 1: Atoms and Reactions: 1.1.1 Atoms * 1.1.2 Moles and Equations * 1.1.3 Acids * 1.1.4 Redox

1.2 Module 2 Electrons, Bonding and Structure: 1.2.1 Electron Structure * 1.2.2 Bonding and Structure

1.3 Module 3 The Periodic Table: 1.3.1 Periodicity * 1.3.2 Group 2 * 1.3.3 Group 7

Unit F322: Chains, Energy and Resources

2.1 Module 1 Basic concepts and Hydrocarbons: 2.1.1 Basic Concepts * 2.1.2 Alkanes * 2.1.3 Alkenes

2.2 Module 2 Alcohols, Halogenoalkanes, Analysis: 2.2.1 Alcohols * 2.2.2 Halogenoalkanes * 2.2.3 Modern Analytical Techniques

2.3 Module 3 Energy: 2.3.1 Enthalpy Changes * Rates and Equilibrium

2.4 Module 4 Resources: 2.4.1 Chemistry of the Air * 2.4.2 Green Chemistry

Unit F323: Practical Skills in Chemistry 1

Unit F321: Atoms, Bonds and Groups

1.1 Module 1 Atoms and Reactions

1.1.1 Atoms (OCR GCE AS Chemistry)

1. GCSE Summary notes of the Periodic Table - A basic introduction: Explanation and overview of Groups, Periods, Series etc. with links to more detailed notes on the Group 1 Alkali Metals, Group 7 Halogens, Group 0 Noble Gases and Transition Metals.

2. Periodic Table Advanced Inorganic Chemistry Notes Part 1 "Historical Introduction" and the full modern periodic table

3. GCSE-AS Atomic Structure Notes including mass spectrometry of elements - the structure of atoms, isotopes, nuclear structure notation, 'simple' electronic structure and the Periodic Table and mass spectrometry for isotope analysis and calculation of relative atomic mass (A_r)

1.1.2 Moles and Equations (OCR GCE AS Chemistry)

1. How to understand and write chemical equations including ionic equations

2. Chemical Calculations index - 1. to 16. sections of explanation-examples and multiple choice and type in answer quizzes links are built into the notes, designed up to higher GCSE and basic GCE-AS/IB calculations

3. section 1. Relative atomic mass (A_r) and isotopic mass

4. section 2. Relative formula mass and relative molecular mass (M_r)

5. section 3. Law of Conservation of Mass and simple reacting mass calculations

6. section 4. % composition by mass of a compound

7. section 5. Empirical formula from reacting masses

8. section 6. Reacting masses of reactants and products and actual percent % yield, theoretical yield and atom economy

9. section 7. Introducing moles - the connection of moles, mass and formula mass

10. section 8. Using moles to deduce empirical/molecular formula of a compound/molecule starting with reacting masses or % composition by mass

11. section 9. moles and molar gas volume and Avogadro's Law

12. section 10. Reacting gas volume ratios, Avogadro's Law and Gay-Lussac's Law

1.1.3 Acids (OCR GCE AS Chemistry)

1. A level notes on Acids, Bases, Salts, uses of acid-base titrations - upgrade from GCSE!

2. Bronsted-Lowry acid-base theories

3. Useful revision of word/symbol equation practice using the reactions of acids with metals, oxides, hydroxides and carbonates

1.1.4 Redox (OCR GCE AS Chemistry)

1. The Reactivity Series of Metals, Corrosion and includes a simplified introduction to Redox Reaction

2. Revision notes on Inorganic redox reactions - Part 1 electronegativity, explaining oxidation and reduction reactions and oxidation state/oxidation number changes

1.2 Module 2 Electrons, Bonding and Structure

1.2.1 Electron Structure (OCR GCE AS Chemistry)

1. Periodic Table Advanced Inorganic Chemistry Notes Part 2 "Electronic Structure and Ionisation Energies" - Electron arrangements - electron configurations and the Periodic Table - s, p, d and f blocks - ionization energy patterns, section on hydrogen spectrum and emission spectroscopy

1.2.2 Bonding and Structure (OCR GCE AS Chemistry)

1. Introduction to BONDING

2. Revision notes on the basics of Ionic BONDING and an ionic lattice

3. Revision notes on the basics of Covalent BONDING and small molecules and their properties

4. Revision notes on the basics of Covalent BONDING and giant structures and their properties and uses

5. Revision notes on the basics of Metallic BONDING, properties and uses of metals

6. Revision notes on shapes and bond angles of simple molecules (VSEPR), ions, transition metal complexes and a section on shape and bond angles in organic molecules

7. Equilibria Part 8 has a section on intermolecular forces - bond polarity, boiling point using organic molecules as examples

1.3 Module 3 The Periodic Table

1.3.1 Periodicity (OCR GCE AS Chemistry)

1. GCSE Summary notes of the Periodic Table - A basic introduction: Explanation and overview of Groups, Periods, Series etc. with links to more detailed notes on the Group 1 Alkali Metals, Group 7 Halogens, Group 0 Noble Gases and Transition Metals.

2. Periodic Table Notes Part 11: Compiled tables of data on Groups 1-7,0 and 3d-block-Transition Metals

3. Data-periodicity graphs for elements Z = 1 to 20 Period 1, Period 2, Period 3 and start of Period 4

4.  periodicity graph for elements Z = 1 to 38 Period 1, Period 2, Period 3, Period 4 and start of Period 5

5.  periodicity graph for elements Z = 1 to 96 Period 1, Period 2, Period 3, Period 4, Period 5, Period 6 and start of Period 7

6. Periodic Table Advanced Inorganic Chemistry Notes Part 4 "Survey of Period 2 Elements and Trends" (3 linked pages)

7. Periodic Table Advanced Inorganic Chemistry Notes Part 5 "Survey of Period 3 Elements and Trends" (3 linked pages)

1.3.2 Group 2 (OCR GCE AS Chemistry)

1. Periodic Table: detailed Advanced Inorganic Chemistry Notes Part 7 Group 1 Alkali Metals and Group 2 Alkaline Earth Metals - detailed revision notes (3 linked pages)

2. Multiple choice Quiz on Group 1 Alkali Metals and Group 2 Alkaline Earth Metals (easy start!)

1.3.3 Group 7 (OCR GCE AS Chemistry)

1. Part 9 Group 7/17 The Halogens 9.1 Introduction, trends & Group 7/17 data * 9.2 Halogen displacement reaction and reactivity trend  * 9.3 Reactions of halogens with other elements * 9.4 Reaction between halide salts and conc. sulfuric acid * 9.5 Tests for halogens and halide ions * 9.6 Extraction of halogens from natural sources * 9.7 Uses of halogens & compounds * 9.8 Oxidation & Reduction - more on redox reactions of halogens & halide ions * 9.9 Volumetric analysis - titrations involving halogens or halide ions * 9.10 Ozone, CFC's and halogen organic chemistry links * 9.11 Chemical bonding in halogen compounds * 9.12 Miscellaneous aspects of halogen chemistry

Unit F322: Chains, Energy and Resources

2.1 Module 1 Basic Concepts and Hydrocarbons

2.1.1 Basic Concepts (OCR GCE AS Chemistry)

1. Extra GCSE Organic Chemistry Notes - Alkane & alkene homologous series 'families', alcohols like ethanol, other organic molecule families e.g. carboxylic acids, esters, polymers, natural molecules - carbohydrates, sugars, amino acids, proteins and cooking, natural fats & oils, hydrogenation of fats, soaps, Vitamin C, Drugs-analgesics, Food Additives and CFC's, Ozone layer and free radicals. Use sub-index and keyword list at top of page and can be read as a basic introductory view of what 'organic chemistry' is all about without the need for too many concepts!

2. A summary of homologous series, functional group names and structure in Organic Chemistry

3.  Organic Chemistry ISOMERISM general definition (use sub-index at top of page)

4.  Organic Chemistry (1) STRUCTURAL ISOMERISM general definition (use sub-index at top of page)

5.  Organic Chemistry (1a) Chain isomerism (use sub-index at top of page)

6.  Organic Chemistry (1a) Chain isomerism (Ex 1a.1 discusses alkane isomers, intermolecular forces and boiling point)

7.  Organic Chemistry (1b) Positional isomerism (use sub-index at top of page)

8.  Organic Chemistry (1c) Functional group isomerism (use sub-index at top of page)

9.  Organic Chemistry (2) STEREOISOMERISM general definition (use sub-index at top of page)

10.  Organic Chemistry (2a) Geometrical Isomerism (use sub-index at top of page)

11.  MECHANISM Introduction and terms used in organic chemistry (on the mechanism pages the type of reaction, basic reaction equations and conditions are quoted which may act as a suitable reference, there is also a reaction index on each page)

12. section 6. Reacting masses of reactants and products and actual percent % yield, theoretical yield and atom economy

13. section 8. Using moles to deduce empirical/molecular formula of a compound/molecule starting with reacting masses or % composition by mass

14. section 14. including % actual and theoretical yield and atom economy (sub-index near top of page)

2.1.2 Alkanes (OCR GCE AS Chemistry)

1. GCSE notes on Oil and useful products - The hydrocarbons from oil and their uses e.g. fuels-combustion, cracking to make alkenes, simple addition reactions of alkenes (bromine and hydrogen) and test for alkenes, polymers/uses of plastics, fossil fuels and environmental problems etc. See also Alternative and Fossil Fuel Survey and Global warming discussion page.

2. Gas Preparation Ex 10 Laboratory paraffin cracking experiment

3. Revision notes on the structure & naming (nomenclature) of ALKANES (and cycloalkanes) notes, including nomenclature of isomers

4. Multiple choice Quiz on the structure and naming (nomenclature) of alkanes

5. Type in name Quiz on the structure & naming of ALKANES (and nomenclature of cycloalkanes)

6.  MECHANISM Introduction and terms used in organic chemistry (on the mechanism pages the type of reaction, basic reaction equations and conditions are quoted which may act as a suitable reference, there is also a reaction index on each page)

7.  Mechanism of the free radical chlorination/bromination of alkanes to make halogenoalkanes

2.1.3 Alkenes (OCR GCE AS Chemistry)

1. Revision notes on the structure & naming (nomenclature) of ALKENES (and cycloalkanes) notes, including nomenclature of isomers

2. Multiple choice Quiz on the Structure and naming (nomenclature) of ALKENES

3. Type in name Quiz on the nomenclature of ALKENES

4.  MECHANISM Introduction and terms used in organic chemistry (on the mechanism pages the type of reaction, basic reaction equations and conditions are quoted which may act as a suitable reference, there is also a reaction index on each page)

5.  Mechanism of electrophilic addition of hydrogen bromide to alkenes to make bromoalkanes (introduction and example of electrophilic addition to alkenes) (includes reagents, reaction conditions and exemplar balanced equations showing product formation)

6.  Mechanism of electrophilic addition of bromine to alkenes with pure bromine to make dibromoalkanes  (includes reagents, reaction conditions and exemplar balanced equations showing product formation)

7.  Mechanism of electrophilic addition of bromine to alkenes using bromine water to make bromo-alcohols (includes reagents, reaction conditions and exemplar balanced equations showing product formation)

8.  Mechanism of electrophilic addition of water to alkenes to make alcohols [acid catalyst] (includes reagents, reaction conditions and exemplar balanced equations showing product formation)

9. GCSE notes on Oil and useful products -  simple addition reactions of alkenes and test for alkenes, polymers/uses of plastics

10. Gas Preparation Ex 10 Laboratory paraffin cracking experiment

2.2 Module 2 Alcohols, Halogenoalkanes and Analysis

2.2.1 Alcohols (OCR GCE AS Chemistry)

1. Revision notes on the structure and naming (nomenclature) of aliphatic ALCOHOLS - classification into primary (prim), secondary (sec) and tertiary (tert) - notes include isomers and other related compounds which may not be needed

2. Multiple choice Quiz on the structure and naming (nomenclature) of aliphatic ALCOHOLS (includes ethers which may not be needed)

3. Type in name Quiz on the nomenclature of aliphatic ALCOHOLS (includes ethers which may not be needed)

4. Extra GCSE Organic Chemistry Notes - includes introduction to alcohols like ethanol, other organic molecule families e.g. carboxylic acids, esters etc.

5. Organic synthesis redox reactions - including oxidation of alcohols (use top summary table index)

2.2.2 Halogenoalkanes (OCR GCE AS Chemistry)

1. Revision notes on the structure and naming of HALOGENOALKANES/HALOALKANES and classification into primary (prim)/secondary (sec)/tertiary (tert) (including nomenclature of many isomers

2. Multiple choice Quiz on the structure and naming (nomenclature) of HALOGENOALKANES (haloalkanes)

3. Type in name Quiz on the nomenclature of HALOGENOALKANES (haloalkanes)

4.  Mechanism: Halogenoalkanes (haloalkanes/alkyl halides) Nucleophilic substitution by water/hydroxide ion - hydrolysis to alcohol (introduction to, and example of, nucleophilic substitution in halogenoalkanes) (includes reagents, reaction conditions and exemplar balanced equations showing product formation)

5. Extra GCSE Organic Chemistry Notes - section 7. on CFC's, Ozone layer and free radicals

2.2.3 Modern Analytical Techniques (OCR GCE AS Chemistry)

1. GCSE Atomic Structure Notes including mass spectrometry of elements - the structure of atoms, isotopes, nuclear structure notation, 'simple' electronic structure and the Periodic Table and mass spectrometry for isotope analysis and calculation of relative atomic mass (A_r) and measurement of molecular mass

2.3 Module 3 Energy

2.3.1 Energy (OCR GCE AS Chemistry)

1. Basic notes of exothermic and endothermic reactions and calculation of enthalpy changes from 'simple' calorimetry experiments and resulting data

2. GCSE Multiple choice quiz on Energy Changes in Chemical Reactions

3. Thermodynamics Part 1: Thermochemistry - Calorimetry experiments - Enthalpies of reaction,formation, combustion and bond dissociation are explained with exemplar calculations

4. Enthalpy and Bond Energy Calculation Questions  (answers)

2.3.2 Rates and Equilibrium (OCR GCE AS Chemistry)

1. GCSE Notes for the basics of rates of reactions - kinetics

2. KINETICS - advanced rates of reactions revision notes: temperature effect and activation energy, homogeneous catalysts and heterogeneous catalysts, obtaining data

3.  Starter GCSE Notes on reversible reactions, equilibrium, ammonia synthesis

4. Advanced Chemistry Equilibria Part 1. Dynamic molecular equilibrium and Le Chatelier's principle

5. Equilibria Part 3 equilibrium and industrial processes (can ignore the Kp/Kc equilibrium expressions and concentrate on the application of Le Chatelier's Principle to industrial processes)

2.4 Module 4 Resources

2.4.1 Chemistry of the Air (OCR GCE AS Chemistry)

1. GCSE notes on Oil and useful products - includes revision of the basics of fuels-combustion and fossil fuels and environmental problems etc. See also Alternative and Fossil Fuel Survey and Global warming discussion page.

2. Extra GCSE Organic Chemistry Notes - section 7. on CFC's, Ozone layer and free radicals

2.4.2 Green Chemistry (OCR GCE AS Chemistry)

1. -

Unit F323: Practical Skills in Chemistry 1

1. Basic notes of exothermic and endothermic reactions and calculation of enthalpy changes from 'simple' calorimetry experiments and resulting data

2. Thermodynamics Part 1: Thermochemistry - Calorimetry experiments - Enthalpies of reaction,formation, combustion and bond dissociation are explained with exemplar calculations

3. GCSE Notes for the basics of rates of reactions - kinetics