Chemistry 9701/11 Oct Nov 2010 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride with water, forming hydroxides and oxides.
2. Titration of chloride ions in meat products with silver nitrate, calculating moles and writing ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy calculations for iodine formation, and oxidation state changes in iodine and nitrogen.
4. Nitrogen oxides as homogeneous catalysts in acid rain, explained with reaction mechanisms.
5. Transition metal ion complex formation, Cu²⁺ electronic configuration, and ammonia’s effect on copper solution color.
6. Curcumin structure, functional groups, and reactions with bromine and KMnO₄ to identify products.