Chemistry 9701/03 Oct Nov 2004 | Cambridge AS Level Past Papers With Mark Scheme

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