Chemistry 9701/13 Oct Nov 2012 | Cambridge AS Level Past Papers With Mark Scheme

1. Ideal gas behavior, volume vs. pressure relationship, and explanation of pressure changes with varying volume, temperature effects on molecular collisions.
2. Decomposition of copper(II) carbonate, reaction identification, and comparison of gas volumes for Cu₂O and CuO, experimental setup for gas collection.
3. Thermodynamic properties of halogens, ionization energies, equilibrium constants, and comparative bond dissociation in halogen compounds.
4. Substitution and reduction reactions in organic chemistry, redox processes involving aldehydes, alkene halogenation, and carboxylate salt formation.
5. Reaction mechanisms in organic chemistry, functional group transformations, and bond changes in reactions like ethanal with hydrogen cyanide.