Chemistry 9701/02 May June 2005 | Cambridge AS Level Past Papers With Mark Scheme

1. Standard electrode potential (SEP) definition, Fe³⁺/Fe²⁺ electrode setup, Kc calculation, Kc expression and units.
2. Ethyl ethanoate hydrolysis, first-order reaction kinetics, HCl concentration effect, rate constant derivation.
3. Transition element compound reactions: oxidation, reduction, ligand exchange, acid-base, precipitation, catalysis.
4. Aluminum mass percentage in alloys, hydrogen production via NaOH, stoichiometric analysis.
5. Nitrogen molecule reactivity, NOx formation, environmental effects, amine basicity comparison with ammonia.
6. Organic pharmaceutical synthesis, reaction types, reagents, conditions for transformations, isomer identification.