Chemistry A2: every topic explained
39 short explanations for Chemistry A2, one per syllabus topic: the idea, the rules, the common mistake and a worked example. Each one links to our notes and a free test on that topic.
Chemical energetics
- Lattice energy and Born-Haber cycles
- Enthalpies of solution and hydration
- Entropy change, ΔS
- Gibbs free energy change, ΔG
Electrochemistry
Equilibria
Reaction kinetics
Group 2
Chemistry of transition elements
- General physical and chemical properties of the transition elements, titanium to copper
- General characteristic chemical properties of the transition elements, titanium to copper
- Colour of complexes
- Stereoisomerism in transition element complexes
- Stability constants, Kstab
An introduction to A Level organic chemistry
- Formulas, functional groups and the naming of organic compounds
- Characteristic organic reactions
- Shapes of aromatic organic molecules; σ and π bonds
- Isomerism: optical
Hydrocarbons
Halogen compounds
Hydroxy compounds
Carboxylic acids and derivatives
Nitrogen compounds
Polymerisation
Organic synthesis
Analytical techniques
- Thin-layer chromatography
- Gas / liquid chromatography
- Carbon-13 NMR spectroscopy
- Proton (1H) NMR spectroscopy
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