Chemistry 9701/05 May June 2008 | Cambridge AS Level Past Papers With Mark Scheme

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