Chemistry 9701/04 Oct Nov 2004 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis reactions of magnesium chloride, aluminum chloride, and silicon tetrachloride, forming hydroxides and oxides.
2. Quantification of chloride ions in meat products via silver nitrate titration, mole calculations, and ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change calculation for iodine formation, and oxidation state changes in iodine and nitrogen.
4. Nitrogen oxide catalysis in acid rain formation, explained through chemical equations.
5. Transition metal complex formation, Cu²⁺ electronic configuration, d-orbital splitting, and ammonia's effect on copper solutions.
6. Curcumin structure and functional group analysis, reactions with bromine and KMnO₄ for product identification.