Atomic structure
45 marks · 60 min · Version 1
Level: AS (Year 12)
Prerequisites: No additional topics required.
AQA 7404/7405 · Past-paper packs
AQA A-Level Chemistry
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Assembled revision sets, not official or predicted papers. Time allowances are for revision.
Topic tests
Physical chemistry
Amount of substance
45 marks · 60 min · Version 1
Level: AS (Year 12)
Prerequisites: No additional topics required.
Bonding
45 marks · 60 min · Version 1
Level: AS (Year 12)
Prerequisites: No additional topics required.
Energetics
45 marks · 60 min · Version 1
Level: AS (Year 12)
Prerequisites: Requires amount-of-substance calculations and bond counting.
Kinetics
22 marks · 30 min · Version 2
Level: AS (Year 12)
Prerequisites: Requires drawing hydrogen bonds between methanol molecules.
Chemical equilibria: Kc and Kp
45 marks · 60 min · Version 1
Level: AS and A-Level
Prerequisites: Requires amount-of-substance calculations with mole ratios and concentrations.
Oxidation and reduction
16 marks · 25 min · Version 1
Level: AS (Year 12)
Prerequisites: Requires the reactions of iodide ions with concentrated sulfuric acid from Group 7.
Thermodynamics
45 marks · 60 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Requires Hess's law, ionisation energies and structure and bonding.
Rate equations
45 marks · 60 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Requires acid-base neutralisation and titration methods.
Electrode potentials and cells
45 marks · 60 min · Version 2
Level: A-Level only (Year 13)
Prerequisites: Requires redox half-equations and amount-of-substance calculations for preparing a standard solution.
Acids and bases
45 marks · 60 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Requires amount-of-substance calculations for dilution and neutralisation.
Inorganic chemistry
Periodicity
25 marks · 35 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need atomic structure, successive ionisation energies, electronegativity, ionic radii, balanced equations and Period 3 oxide chemistry, including amphoteric oxides.
Group 2
45 marks · 60 min · Version 1
Level: AS (Year 12)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need atomic structure and successive ionisation energies, periodic trends, metallic and ionic bonding, oxidation states, mole calculations and acid-base titration.
Group 7: the halogens
45 marks · 60 min · Version 1
Level: AS (Year 12)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need intermolecular forces, electronegativity, oxidation states and redox half-equations, mole calculations and percentage composition.
Period 3 elements and their oxides
45 marks · 60 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need atomic structure and mass-spectrum interpretation, periodic trends, Group 2 reactions and uses, structure and bonding, and practical melting-point measurement.
Transition metals
45 marks · 60 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need electron configurations, covalent bonding and molecular shapes, oxidation states and redox equations, mole calculations, titration uncertainty, aqueous-ion reactions, and entropy in the chelate effect.
Reactions of aqueous ions
48 marks · 65 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need electron configurations, Group 2 sulfate tests, Group 7 halide tests, transition-metal ligands and colorimetry, and mole calculations including back titration.
Organic chemistry
Introduction to organic chemistry
28 marks · 40 min · Version 1
Level: AS and A-Level
Prerequisites: Additional topic knowledge required.
Prerequisites
You need mole ratios for empirical formula calculations, infrared absorption data, and recognition and naming of alcohol, carbonyl, ester and amine functional groups.
Alkanes
45 marks · 60 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need organic nomenclature and skeletal formulas, mole and gas-volume ratios, atom economy, addition polymerisation, redox and heterogeneous catalysis, biofuel carbon neutrality, infrared bond vibrations and carbon-13 NMR.
Halogenoalkanes
45 marks · 60 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need organic nomenclature, free-radical substitution, bonding and infrared absorption, mole and yield calculations, structural and E-Z isomerism, and optical isomerism.
Alkenes
45 marks · 60 min · Version 1
Level: AS (Year 12)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need organic nomenclature and skeletal formulas, structural and E-Z isomerism, and mole and concentration calculations.
Alcohols
45 marks · 60 min · Version 2
Level: AS (Year 12)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need structure and bonding including hydrogen bonds, organic nomenclature, alkene addition and addition polymers, halogenoalkane substitution, infrared analysis, mole calculations and percentage yield.
Organic analysis
45 marks · 60 min · Version 1
Level: AS and A-Level
Prerequisites: You need esterification of alcohols with carboxylic acids, structural isomerism and fractional distillation.
Optical isomerism
26 marks · 35 min · Version 2
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need carbonyl reduction and cyanide addition, electrophilic addition to alkenes, geometric isomerism and carbon NMR environment counting.
Aldehydes and ketones
32 marks · 45 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need alcohol oxidation, alkene addition, halogenoalkane substitution, acyl chloride hydrolysis and optical isomerism.
Carboxylic acids and derivatives
45 marks · 60 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: You need alcohol structures, amount-of-substance calculations, density, limiting reagents and percentage yield.
Aromatic chemistry
32 marks · 45 min · Version 2
Level: A-Level only (Year 13)
Prerequisites: You need enthalpy-change interpretation, acid-base proton transfer and the preparation and uses of aromatic amines.
Amines
24 marks · 35 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need electronegativity and bond polarity, halogenoalkane substitution, alkane chlorination, aromatic nitration and acyl substitution.
Polymers
26 marks · 35 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: You need hydrogen bonding and the reactions of amines, carboxylic acid derivatives and alkenes.
Amino acids, proteins and DNA
24 marks · 35 min · Version 2
Level: A-Level only (Year 13)
Prerequisites: You need amine protonation, amide hydrolysis, optical isomerism and ligand substitution in transition-metal complexes.
Organic synthesis
50 marks · 65 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: Additional topic knowledge required.
Prerequisites
You need alkenes, halogenoalkanes, alcohols, aldehydes and ketones, carboxylic acid derivatives, aromatic chemistry, amines, optical isomerism, polymers and hydrogen bonding.
NMR spectroscopy
53 marks · 70 min · Version 2
Level: A-Level only (Year 13)
Prerequisites: You need infrared spectroscopy, carboxylic acid reactions, optical isomerism and reduction of nitriles to amines.
Chromatography: TLC short exercise
4 marks · 10 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: No additional topics required.
Paper sets
Paper 1 mixed revision set: short
45 marks · 52 min · Version 1
Level: AS and A-Level
Prerequisites: This set also uses amount of substance, atomic structure, oxidation and reduction, energetics and electrode potentials.
Paper 1 mixed revision set
105 marks · 120 min · Version 2
Level: AS and A-Level
Prerequisites: This set also uses energetics, oxidation and reduction, and reactions of aqueous ions.
Paper 2 mixed revision set: short
45 marks · 52 min · Version 1
Level: AS and A-Level
Prerequisites: This set also uses alkenes, halogenoalkanes, alcohol oxidation and optical isomerism.
Paper 2 mixed revision set
105 marks · 120 min · Version 2
Level: AS and A-Level
Prerequisites: This set also uses alkanes, alkenes, alcohol reactions, organic analysis, carboxylic acid derivatives and amines.
Paper 3 mixed revision set: short
45 marks · 60 min · Version 1
Level: AS and A-Level
Prerequisites: Additional topic knowledge required.
Prerequisites
This set also uses amount of substance, bonding, chemical equilibria, NMR spectroscopy, and carboxylic acid and polymer chemistry.
Paper 3 mixed revision set
90 marks · 120 min · Version 2
Level: AS and A-Level
Prerequisites: Additional topic knowledge required.
Prerequisites
This set also uses amount of substance, oxidation and reduction, polymers, thermodynamics, reactions of aqueous ions and organic functional group tests.
Year 12: AS Paper 1 mixed revision set
80 marks · 90 min · Version 2
Level: AS (Year 12)
Prerequisites: No additional topics required.
Year 12: AS Paper 2 mixed revision set
80 marks · 90 min · Version 2
Level: AS (Year 12)
Prerequisites: This set also uses alkenes and AS organic functional group tests.
Required practicals
Standard solutions and acid–base titration
20 marks · 30 min · Version 1
Level: AS (Year 12)
Prerequisites: No additional topics required.
Measuring an enthalpy change
20 marks · 30 min · Version 1
Level: AS (Year 12)
Prerequisites: No additional topics required.
Identifying ions
20 marks · 30 min · Version 1
Level: AS (Year 12)
Prerequisites: No additional topics required.
Distilling a reaction product
15 marks · 20 min · Version 1
Level: AS (Year 12)
Prerequisites: You also need mole and percentage-yield calculations, molecular shapes and intermolecular forces.
Tests for organic functional groups
20 marks · 30 min · Version 1
Level: AS (Year 12)
Prerequisites: You also need infrared fingerprint identification and fractional distillation.
Initial rates and continuous monitoring
21 marks · 30 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: No additional topics required.
Measuring cell EMF
18 marks · 25 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: You also need standard-electrode-potential feasibility predictions and redox equations.
pH changes in weak/strong acid–base titrations
14 marks · 20 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: No additional topics required.
Preparing and purifying organic products
26 marks · 35 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: You also need alkene hydration, mole and yield calculations, and evaluation of synthesis sustainability.
Identifying transition metal ions
15 marks · 20 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: You also need chloride and sulfate tests, ligand bonding, electron configurations and the basis of colorimetry.
Thin-layer chromatography
4 marks · 10 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: No additional topics required.
Practical techniques and data analysis
40 marks · 55 min · Version 2
Level: A-Level only (Year 13)
Prerequisites: No additional topics required.
Year 12 practical revision
45 marks · 60 min · Version 1
Level: AS (Year 12)
Prerequisites: Additional topic knowledge required.
Prerequisites
You also need infrared fingerprint identification, mole and percentage-yield calculations, molecular shapes and intermolecular forces.
Year 13 practical revision
45 marks · 60 min · Version 1
Level: A-Level only (Year 13)
Prerequisites: You also need chloride and sulfate tests, aqueous-ion acidity, alkene hydration and mole and yield calculations.
Starting Year 12
Bridge the Gap is a free course for the step from GCSE to A-Level.
First week: atoms, ions and isotopes
8 marks · 15 min · Version 1
Level: AS (Year 12)
Prerequisites: Use GCSE knowledge of atomic numbers, isotope notation, chemical formulas and ion charges.
First week: chemistry foundations
20 marks · 30 min · Version 1
Level: AS (Year 12)
Prerequisites: Additional topic knowledge required.
Prerequisites
Use this after an introductory mole lesson, with GCSE knowledge of atoms and ions, chemical formulas, complete combustion, reacting ratios, ionic and giant covalent structures, atom economy and air pollution.
First week: chemical quantities
20 marks · 30 min · Version 1
Level: AS (Year 12)
Prerequisites: Additional topic knowledge required.
Prerequisites
Use this after an introductory lesson on moles, mass conversions, particle counts and reacting ratios, with GCSE knowledge of atoms, formulas, complete combustion, atom economy and air pollution.