Chemistry 9701/34 May June 2012 | Cambridge AS Level Past Papers With Mark Scheme

1. Hydrolysis of magnesium chloride, aluminum chloride, and silicon tetrachloride, producing hydroxides and oxides, with reaction observations and equations.
2. Titration of chloride ions in a meat product with silver nitrate, calculating moles and writing ionic equations for sodium and potassium chlorides.
3. Iodination of benzene, enthalpy change calculations, and oxidation state changes in iodine and nitrogen reactions.
4. Nitrogen oxide role in acid rain formation, explaining homogeneous catalysis with equations.
5. Transition metal ion complex formation, Cu²⁺ ion electronic configuration, orbital splitting, and the effect of ammonia.
6. Curcumin structure analysis, functional group reactions, and identification of reaction products.