OCR Chemistry (A-Level)
OCR A-Level Chemistry A (Specification Codes: H032 / H432)
NoteOCR A-Level Chemistry Learning Dashboard
Welcome to the OCR A-Level Chemistry study center. Access official specification documents, module-by-module revision guides, flashcards, practical skills handbooks (PAGs), and topical practice question packs with mark schemes across Modules 1 to 6.
1. Course Overview & Syllabus
The OCR A-Level Chemistry A specification (H032 for AS Level, H432 for A-Level) features a modular structure divided into six core modules: Practical Skills, Foundations in Chemistry, Periodic Table and Energy, Core Organic Chemistry, Physical Chemistry and Transition Elements, and Organic Chemistry and Analysis.
Assessment Outline (H032 & H432)
| Level | Paper / Component | Duration | Assessment Format | Marks | Weight |
|---|---|---|---|---|---|
|
AS Level (Code H032) |
Paper 1: Breadth in Chemistry Modules 1 – 4 |
1h 30m | Written paper (20 MCQs & short answer) | 70 | 50% AS |
|
Paper 2: Depth in Chemistry Modules 1 – 4 |
1h 30m | Written paper (Structured & practical questions) | 70 | 50% AS | |
|
A-Level (Code H432) |
Paper 1: Periodic Table, Elements & Physical Chem Modules 1, 2, 3, 5 |
2h 15m | Written paper (15 MCQs & structured questions) | 100 | 37% A-Level |
|
Paper 2: Synthesis & Analytical Techniques Modules 1, 2, 4, 6 |
2h 15m | Written paper (15 MCQs & structured questions) | 100 | 37% A-Level | |
|
Paper 3: Unified Chemistry Modules 1 – 6 |
1h 30m | Written paper (Synoptic & practical investigation questions) | 70 | 26% A-Level |
Official Curriculum Documents
2. Study Notes
| Topic | Notes | Definitions |
|---|---|---|
| Module 1: Development of Practical Skills | ||
| Identifying Ions - Isotopes and Mass Spec | Notes | — |
| Mathematical Skills Handbook 1 | Notes | — |
| Mathematical Skills Handbook | Notes | — |
| Measurements and Errors | Notes | — |
| PAG 01 - Moles Determination | Notes | — |
| PAG 02 - Acid-Base Titration | Notes | — |
| PAG 03 - Enthalpy Determination | Notes | — |
| PAG 04 - Qualitative Analysis of Ions | Notes | — |
| PAG 05 - Synthesis of an Organic Liquid | Notes | — |
| PAG 06 - Synthesis of an Organic Solid | Notes | — |
| PAG 07 - Qualitative Analysis of Organic Functional Groups | Notes | — |
| PAG 08 - Electrochemical Cells | Notes | — |
| PAG 09 - Rates of Reaction - Continuous Monitoring Method | Notes | — |
| PAG 10 - Rates of Reaction - Initial Rates Method | Notes | — |
| PAG 11 - pH Measurement | Notes | — |
| PAG 12 - Research Skills | Notes | — |
| Techniques of Volumetric Analysis | Notes | — |
| Module 2: Foundations in Chemistry | ||
| 2.1. Atoms and Reactions | Notes | — |
| 2.2. Electrons, Bonding and Structure | Notes | — |
| Calculations for Amount of Substance | — | Definitions |
| Definitions | — | Definitions |
| Summary Notes | — | Definitions |
| Module 3: Periodic Table and Energy | ||
| 3.1. The Periodic Table | Notes | — |
| 3.2. Physical Chemistry | Notes | — |
| Calculations for Enthalpy Changes | — | Definitions |
| Definitions | — | Definitions |
| Summary Notes | — | Definitions |
| Module 4: Core Organic Chemistry | ||
| 4.1. Basic Concepts and Hydrocarbons | Notes | — |
| 4.2. Alcohols, Haloalkanes and Analysis | Notes | — |
| Definitions | — | Definitions |
| Summary Notes | — | Definitions |
| Module 5: Physical Chemistry & Transition Elements | ||
| 5.1. Rates, Equilibrium and pH | Notes | — |
| 5.2. Energy | Notes | — |
| 5.3. Transition Elements | Notes | — |
| Calculations for Acids & Bases | — | Definitions |
| Calculations for Energetics | — | Definitions |
| Calculations for Enthalpy & Entropy | — | Definitions |
| Calculations for Equilibria | — | Definitions |
| Calculations for Redox | — | Definitions |
| Definitions | — | Definitions |
| Summary Notes | — | Definitions |
| Module 6: Organic Chemistry and Analysis | ||
| 6.1. Aromatic Compounds, Carbonyls and Acids | Notes | — |
| 6.2. Nitrogen Compounds, Polymers and Synthesis | Notes | — |
| 6.3. Analysis | Notes | — |
| Definitions | — | Definitions |
| Organic Synthesis Notes | — | Definitions |
| Summary Notes | — | Definitions |
| Topic | Revision Guide | Flashcards | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Module 1: Development of Practical Skills | ||||||||||||||||||||||||||||||||
| 1.1 — Practical Skills | — | Flashcards | ||||||||||||||||||||||||||||||
Module 2: Foundations in Chemistry (6 topics)
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Module 3: Periodic Table and Energy (7 topics)
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Module 4: Core Organic Chemistry (7 topics)
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Module 5: Physical Chemistry & Transition Elements (10 topics)
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Module 6: Organic Chemistry and Analysis (10 topics)
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| General / Practical Guides | ||||||||||||||||||||||||||||||||
| General — Practical Guide Ocr Module 1 | Guide | — | ||||||||||||||||||||||||||||||
3. Topical Practice Questions
| Subtopic | MCQ | QP | MS |
|---|---|---|---|
| 2.1.1 — Atomic Structure and Isotopes | MCQ | QP QP |
MS MS |
| 2.1.2 — Compounds, Formulae and Equations | MCQ | QP QP |
MS MS |
| 2.1.3 — Amount of Substance | MCQ | QP QP |
MS MS |
| 2.1.4 — Acids | MCQ | QP QP |
MS MS |
| 2.1.5 — Redox | MCQ | QP QP |
MS MS |
| 2.2.1 — Electron Structure | MCQ | QP QP |
MS MS |
| 2.2.2 — Bonding and Structure | MCQ | QP QP |
MS MS |
| Additional Practice Papers (sorted A–Z) | |||
| Acid and Bases | — | QP | MS |
| Acids | — | QP | MS |
| Amount of Substance | — | QP | MS |
| Atomic Structure | — | QP | MS |
| Atoms, Isotopes and Relative Atomic Masses | — | QP | MS |
| Bonding | — | QP | MS |
| Electron Structure | — | QP | MS |
| Electrons, Bonding & Structure 1 | — | QP | MS |
| Electrons, Bonding & Structure 2 | — | QP | MS |
| Electrons, Bonding & Structure 3 | — | QP | MS |
| Electrons, Bonding & Structure 4 | — | QP | MS |
| Moles and Equations | — | QP | MS |
| Moles, Equations and Qualitative | — | QP | MS |
| Particles, Amount of Substance, Equations & Reactions 1 | — | QP | MS |
| Particles, Amount of Substance, Equations & Reactions 2 | — | QP | MS |
| Particles, Amount of Substance, Equations & Reactions 3 | — | QP | MS |
| Particles, Amount of Substance, Equations & Reactions 4 | — | QP | MS |
| Particles, Amount of Substance, Equations & Reactions 5 | — | QP | MS |
| Particles, Amount of Substance, Equations & Reactions 6 | — | QP | MS |
| Redox | — | QP | MS |
| Shapes, Structure and Bonding | — | QP | MS |
| Structure and Bonding | — | QP | MS |
| Structure, Bonding and Periodicity | — | QP | MS |
| Subtopic | MCQ | QP | MS |
|---|---|---|---|
| 3.1.1 — Periodicity | MCQ | QP QP |
MS MS |
| 3.1.2 — Group 2 | MCQ | QP QP |
MS MS |
| 3.1.3 — The Halogens | MCQ | QP QP |
MS MS |
| 3.1.4 — Qualitative Analysis | MCQ | QP QP |
MS MS |
| 3.2.1 — Enthalpy Changes | MCQ | QP QP |
MS MS |
| 3.2.2 — Reaction Rates | MCQ | QP QP |
MS MS |
| 3.2.3 — Chemical Equilibrium | MCQ | QP QP |
MS MS |
| Additional Practice Papers (sorted A–Z) | |||
| Energetics | — | QP | MS |
| Enthalpy Changes | — | QP | MS |
| Enthalpy Changes 1 | — | QP | MS |
| Enthalpy Changes 2 | — | QP | MS |
| Enthalpy Changes 3 | — | QP | MS |
| Enthalpy Changes 4 | — | QP | MS |
| Equilibria | — | QP | MS |
| Group 2 | — | QP | MS |
| Groups 2 and 7 | — | QP | MS |
| Haloalkanes | — | QP | MS |
| Kinetics | — | QP | MS |
| Kinetics and Equlibria | — | QP | MS |
| Periodic Table, Group 2 and the Halogens 1 | — | QP | MS |
| Periodic Table, Group 2 and the Halogens 2 | — | QP | MS |
| Periodic Table, Group 2 and the Halogens 3 | — | QP | MS |
| Periodic Table, Group 2 and the Halogens 4 | — | QP | MS |
| Periodicity | — | — | MS |
| Periodicity (1) | — | QP | — |
| Periodicity (2) | — | QP | — |
| Periodicity MS (1) | — | — | MS |
| Rates and Equilibria | — | QP | MS |
| Reaction Rates & Equilibrium 1 | — | QP | MS |
| Reaction Rates & Equilibrium 2 | — | QP | MS |
| Redox Equilibria | — | QP | MS |
| Redox Reactions, Halogens and Alkali Earth Metals | — | QP | MS |
| Thermodynamics | — | QP | MS |
| Subtopic | MCQ | QP | MS |
|---|---|---|---|
| 4.1.1 — Basic Concepts of Organic Chemistry | MCQ | QP QP |
MS MS |
| 4.1.2 — Alkanes | MCQ | QP QP |
MS MS |
| 4.1.3 — Alkenes | MCQ | QP QP |
MS MS |
| 4.2.1 — Alcohols | MCQ | QP QP |
MS MS |
| 4.2.2 — Haloalkanes | MCQ | QP QP |
MS MS |
| 4.2.3 — Organic Synthesis | MCQ | QP QP |
MS MS |
| 4.2.4 — Analytical Techniques | MCQ | QP QP |
MS MS |
| Additional Practice Papers (sorted A–Z) | |||
| Alcohols | — | QP | MS |
| Alcohols (1) | — | QP | — |
| Alcohols 1 | — | QP | MS |
| Alcohols 2 | — | QP | MS |
| Alcohols 3 | — | QP | MS |
| Alcohols Halogenoalkanes And Analysis | — | QP | MS |
| Alcohols MS (1) | — | — | MS |
| Alkanes | — | QP | MS |
| Alkanes (1) | — | QP | — |
| Alkanes MS (1) | — | — | MS |
| Alkenes | — | QP | MS |
| Alkenes (1) | — | QP | — |
| Alkenes MS (1) | — | — | MS |
| Analytical Techniques (IR & MS) 1 | — | — | MS MS |
| Analytical Techniques (IR & MS) 2 | — | — | MS MS |
| Analytical Techniques (IR & MS) 3 | — | — | MS MS |
| Basic Concepts | — | QP | MS |
| Basic Concepts and Hydrocarbons | — | QP | MS |
| Green Chemistry 1 | — | QP | MS |
| Green Chemistry 2 | — | QP | MS |
| Green Chemistry 3 | — | QP | MS |
| Haloalkanes 1 | — | QP | MS |
| Haloalkanes 2 | — | QP | MS |
| Haloalkanes 3 | — | QP | MS |
| Halogenoalkanes | — | QP | MS |
| Hydrocarbons 1 | — | QP | MS |
| Hydrocarbons 2 | — | QP | MS |
| Hydrocarbons 3 | — | QP | MS |
| Hydrocarbons 4 | — | QP | MS |
| Hydrocarbons 5 | — | QP | MS |
| Modern Analytical Techniques | — | QP | MS |
| Nomenclature & Isomerism and Carbonyl Group | — | QP | MS |
| Organic Alkanes and Alkenes | — | QP | MS |
| Organic Halogenoalkanes and Alcohols | — | QP | MS |
| Subtopic | MCQ | QP | MS |
|---|---|---|---|
| 5.1.1 — How Fast | MCQ | QP QP |
MS MS |
| 5.1.2 — How Far | MCQ | QP QP |
MS MS |
| 5.1.3 — Acids, Bases and Buffers | MCQ | QP QP |
MS MS |
| 5.2.1 — Lattice Enthalpy | MCQ | QP QP |
MS MS |
| 5.2.2 — Enthalpy and Entropy | MCQ | QP QP |
MS MS |
| 5.2.3 — Redox and Electrode Potentials | MCQ | QP QP |
MS MS |
| 5.3.1 — Transition Elements | MCQ | QP QP |
MS MS |
| 5.3.2 — Qualitative Analysis | MCQ | QP QP |
MS MS |
| Additional Practice Papers (sorted A–Z) | |||
| Acids, Bases and Buffers | — | — | MS |
| Acids, Bases, and Buffers | — | QP | — |
| Complexes, Ligands, Colour Changes and Entropy | — | QP | MS |
| Electrode Potentials | — | QP | MS |
| Energetics | — | QP | MS |
| Enthalpy and Entropy | — | QP | MS |
| Enthalpy, Entropy & Free Energy 1 | — | QP | MS |
| Enthalpy, Entropy & Free Energy 2 | — | QP | MS |
| Enthalpy-1 | — | QP | MS |
| Enthalpy-2 | — | QP | MS |
| Entropy | — | QP | MS |
| Equilibria and Acids and Bases | — | QP | MS |
| Equilibrium | — | QP | MS |
| How Far | — | QP | MS |
| How Fast | — | QP | MS |
| Kinetics and Equilibria | — | QP | MS |
| Lattice Enthalpy | — | QP | MS |
| Lattice Enthalpy & Born-Haber Cycles 1 | — | QP | MS |
| Lattice Enthalpy & Born-Haber Cycles 2 | — | QP | MS |
| Ph | — | QP | MS |
| pH & Buffers 1 | — | QP | MS |
| pH & Buffers 2 | — | QP | MS |
| pH & Buffers 3 | — | QP | MS |
| Rates | — | QP | MS |
| Rates And Equilibrium | — | QP | MS |
| Rates of Reactions | — | QP | MS |
| Reaction Rates | — | QP | MS |
| Redox & Electrode Potentials 1 | — | QP | MS |
| Redox & Electrode Potentials 2 | — | QP | MS |
| Redox & Electrode Potentials 3 | — | QP | MS |
| Transition | — | QP | MS |
| Transition Elements 1 | — | QP | MS |
| Transition Elements 2 | — | QP | MS |
| Transition Elements 3 | — | QP | MS |
| Transition Metals | — | QP | MS |
| Transition Metals - Complex Ions | — | QP | MS |
| Transition Metals - Redox Reactions and Catalysis | — | QP | MS |
| Transition Metals and Redox | — | QP | MS |
| Subtopic | MCQ | QP | MS |
|---|---|---|---|
| 6.1.1 — Aromatic Compounds | MCQ | QP QP |
MS MS |
| 6.1.2 — Carbonyl Compounds | MCQ | QP QP |
MS MS |
| 6.1.3 — Carboxylic Acids and Esters | MCQ | QP QP |
MS MS |
| 6.2.1 — Amines | MCQ | QP QP |
MS MS |
| 6.2.2 — Amino Acids, Amides and Chirality | MCQ | QP QP |
MS MS |
| 6.2.3 — Polyesters and Polyamides | MCQ | QP QP |
MS MS |
| 6.2.4 — Carbon-Carbon Bond Formation | MCQ | QP QP |
MS MS |
| 6.2.5 — Organic Synthesis | MCQ | QP QP |
MS MS |
| 6.3.1 — Chromatography and Qualitative Analysis | MCQ | QP QP |
MS MS |
| 6.3.2 — Spectroscopy | MCQ | QP QP |
MS MS |
| Additional Practice Papers (sorted A–Z) | |||
| Amines | — | QP | MS |
| Amines 1 | — | QP | MS |
| Amines 2 | — | QP | MS |
| Amino Acids and Chirality | — | QP | MS |
| Amino Acids and Polymers | — | QP | MS |
| Amino Acids, Amides, Polyamides and Chirality 1 | — | QP | MS |
| Amino Acids, Amides, Polyamides and Chirality 2 | — | QP | MS |
| Arenes | — | QP | MS |
| Aromatic Chemistry and Amines | — | QP | MS |
| Aromatic Compounds 1 | — | QP | MS |
| Aromatic Compounds 2 | — | QP | MS |
| Carbonyl Compounds | — | QP | MS |
| Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters 1 | — | QP | MS |
| Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters 2 | — | QP | MS |
| Carbonyl Compounds, Carboxylic Acids, Esters & Polyesters 3 | — | QP | MS |
| Chromatography | — | QP | MS |
| Chromatography & Spectroscopy (NMR) 1 | — | QP | MS |
| Chromatography & Spectroscopy (NMR) 2 | — | QP | MS |
| Chromatography & Spectroscopy (NMR) 3 | — | QP | MS |
| Organic Synthesis and Structure Determination | — | QP | MS |
| Organics, Spectroscopy and Mechanis | — | QP | — |
| Organics, Spectroscopy and Mechanisms | — | — | MS |
| Organics, Synthesis and Enthalpy | — | QP | MS |
| Polyesters and Polyamides | — | QP | MS |
| Spectroscopy | — | QP | MS |
| Spectroscopy (1) | — | QP | — |
| Spectroscopy MS (1) | — | — | MS |