Chemistry 9701/42 Oct Nov 2010 | 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. Chloride ion titration in meat products, mole calculations, and ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change calculation for iodine, and oxidation state changes in iodine and nitrogen.
4. Nitrogen oxide catalysis in acid rain, with equations for catalytic processes.
5. Copper ion complex formation, Cu²⁺ electronic configuration, and ammonia interaction in transition metal complexes.
6. Curcumin structure, reactions with bromine and KMnO₄, and functional group identification.