Chemistry 9701/02 May June 2003 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride with water, producing hydroxides and oxides.
2. Titration of chloride ions in meat products with silver nitrate, including mole calculations and ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change calculation for iodine formation, and oxidation state changes of iodine and nitrogen.
4. Nitrogen oxide catalysis in acid rain formation, explained with chemical equations and mechanisms.
5. Cu²⁺ electronic configuration, orbital splitting in transition metal complexes, and ammonia's impact on copper solution color.
6. Curcumin structure, functional groups, and reactions with bromine and KMnO₄ for identifying products.