Chemistry 9701/01 Oct Nov 2005 | Cambridge AS Level Past Papers With Mark Scheme

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