Chemistry 9701/41 Oct Nov 2010 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride, resulting in hydroxides, oxides, and solubility changes.
2. Titration of chloride ions in meat products using silver nitrate, 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 acting as catalysts in acid rain formation, with reaction mechanisms.
5. Copper complex formation, Cu²⁺ electronic configuration, and the effects of ammonia on copper solution color.
6. Curcumin structure, functional groups, and reactions with bromine and KMnO₄, leading to product identification.