Chemistry 9701/05 Oct Nov 2007 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride, forming hydroxides, oxides, and precipitation behavior.
2. Titration for chloride ion quantification in meat products, with mole calculations and ionic equation formulation for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change for iodine formation, and oxidation state changes in nitrogen and iodine in nitric acid reactions.
4. Nitrogen oxide catalysis in acid rain formation, with reaction mechanisms and detailed explanations of catalytic processes.
5. Cu²⁺ ion 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 product identification and functional group behavior.