Chemistry 9701/34 Oct Nov 2011 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride, including hydroxides, oxides, and solubility changes.
2. Titration of chloride ions in meat products with silver nitrate, including mole calculations and ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy calculations for I₂, oxidation state changes in iodine and nitrogen.
4. Nitrogen oxides in acid rain formation, role as homogeneous catalysts with relevant reaction mechanisms.
5. Transition metal complex formation, Cu²⁺ electronic configuration, orbital splitting, ammonia’s impact on copper solution color.
6. Curcumin structure, functional groups, reactions with bromine and KMnO₄, and product identification.