Chemistry 9701/53 May June 2010 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis reactions of magnesium chloride, aluminum chloride, and silicon tetrachloride with water, forming hydroxides and oxides.
2. Chloride ion titration in meat products with silver nitrate, including 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 homogeneous catalysts in acid rain formation, with chemical equations.
5. Transition metal ion complex formation, Cu²⁺ electronic configuration, orbital splitting, and ammonia's effect on copper solution color.
6. Curcumin structure, functional group analysis, and reactions with bromine and KMnO₄ to identify products.