Chemistry 9701/52 May June 2010 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride with water, producing hydroxides, oxides, and solubility behaviors.
2. Titration of chloride ions in meat products using silver nitrate, including mole calculations and ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change for iodine formation, and oxidation state changes of nitrogen and iodine.
4. Nitrogen oxide catalysis in acid rain formation, explained through chemical reactions and catalysis principles.
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.