Chemistry 9701/13 Oct Nov 2010 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride, forming hydroxides and oxides.
2. Titration of chloride ions in meat products, calculating moles and 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 oxide catalysis in acid rain, with reaction mechanisms and catalytic roles.
5. Copper ion complex formation, Cu²⁺ electronic configuration, orbital splitting, and ammonia’s effect on copper solutions.
6. Curcumin structure, reactions with bromine and KMnO₄, and product identification.