Chemistry 9701/02 May June 2002 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis reactions of magnesium chloride, aluminum chloride, and silicon tetrachloride, forming hydroxides and oxides.
2. Chloride ion titration in meat products, with mole calculations and ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change for iodine formation, and oxidation state changes in iodine and nitrogen.
4. Nitrogen oxides catalyzing acid rain formation, explained with reaction mechanisms and chemical equations.
5. Cu²⁺ electronic configuration, d-orbital splitting in transition metal complexes, and ammonia's effect on copper solution color.
6. Curcumin structure, functional group analysis, and reactions with bromine and KMnO₄ for product identification.