Chemistry 9701/33 May June 2010 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride, forming hydroxides and oxides, with solubility changes observed.
2. Titration of chloride ions in meat products using silver nitrate, with mole calculations and ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change calculations for iodine formation, and oxidation state changes in iodine and nitrogen.
4. Nitrogen oxides as catalysts in acid rain formation, with reaction mechanisms explaining the catalytic process.
5. Transition metal complex formation, Cu²⁺ electronic configuration, and ammonia’s effect on copper complex color.
6. Curcumin structure, functional group analysis, and reactions with bromine and KMnO₄ for product identification.