Chemistry 9701/22 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. Chloride ion quantification in meat products through titration with silver nitrate, involving mole calculations and ionic equations.
3. Iodination of benzene, enthalpy change calculation for iodine formation, and oxidation state changes in nitrogen and iodine.
4. Nitrogen oxide catalysis in acid rain formation, with chemical reaction mechanisms and catalysis principles.
5. Cu²⁺ electronic configuration, d-orbital splitting in transition metal complexes, and ammonia's effect on solution color.
6. Curcumin structure, functional group analysis, and reactions with bromine and KMnO₄ for identifying products.