Chemistry A2

A2 chemistry revision

Multiple choice quizzes with questions for EVERY SINGLE unit and sub unit listed below.

Fully aligned to the AQA A Level specification (the current one - valid from June 2014 onwards). Also suitable for other exam boards.

Unit 4

3.4.1 Kinetics Simple rate equations
Determination of rate equation
3.4.2 Equilibria Equilibrium constant Kc for homogeneous systems
Qualitative effects of changes of temperature and concentration
3.4.3 Acids and Bases Brønsted–Lowry acid–base equilibria in aqueous solution
Definition and determination of pH
The ionic product of water, Kw
Weak acids and bases Ka for weak acids
pH curves, titrations and indicators
Buffer action
3.4.4 Nomenclature and Isomerism in Organic Chemistry Naming organic compounds
Isomerism
3.4.5 Compounds Containing the Carbonyl Group Aldehydes and ketones
Carboxylic acids and esters
Acylation
3.4.6 Aromatic Chemistry Bonding
Delocalisation stability
Electrophilic substitution
Nitration
Friedel–Crafts acylation reactions
3.4.7 Amines Base properties (Brønsted–Lowry)
Nucleophilic properties
Preparation
3.4.8 Amino Acids Acid and base properties
Proteins
3.4.9 Polymers Addition polymers
Condensation polymers
Biodegradability and disposal of polymers
3.4.10 Organic Synthesis and Analysis Applications
3.4.11 Structure Determination Data sources
Mass spectrometry
Infrared spectroscopy
Nuclear magnetic resonance spectroscopy
Chromatography

Unit 5

3.5.1 Thermodynamics Enthalpy change (DH)
Free-energy change (DG) and entropy change (DS)
3.5.2 Periodicity Study of the reactions of Period 3 elements Na – Ar to illustrate periodic trends
A survey of the acid base properties of the oxides of Period 3 elements
3.5.3 Redox Equilibria Redox equations
Electrode potentials
Electrochemical series
Electrochemical cells
3.5.4 Transition Metals General properties of transition metals
Complex formation
Shapes of complex ions
Formation of coloured ions
Variable oxidation states
Catalysis
Heterogeneous
Homogeneous
Other applications of transition metal complexes
3.5.5 Reactions of Inorganic Compounds in Aqueous Solution Lewis acids and bases
Metal-aqua ions
Acidity or hydrolysis reactions
Substitution reactions