Chemistry 9701/22 May June 2016 | Cambridge AS Level Past Papers With Mark Scheme

1. Atomic structure and ionisation energy trends, including calculations for isotopic abundance and electronic configuration in the periodic table.

2. Halogen and hydrogen halide properties, bond energy trends, enthalpy changes, boiling point variations, and thermal decomposition reactions.

3. Redox reactions involving acidified potassium dichromate and ethanedioic acid, stoichiometry for oxidation reactions, and determination of hydration number in ethanedioic acid.

4. Structural isomerism in compounds with molecular formula C4H8O2, including carboxylic acids, esters, positional isomers, synthesis conditions, and analysis using infrared spectroscopy.

5. Organic reaction pathways of propan-1-ol, including substitution and elimination, reaction mechanisms, stereoisomerism, and use of reagents such as NaCN for cyanohydrin synthesis.