Chemistry 9701/34 Oct Nov 2014 | Cambridge AS Level Past Papers With Mark Scheme

1. Titration of hydrogen peroxide using acidified potassium manganate(VII) to determine concentration, including stoichiometric calculations.
2. Enthalpy change determination for the catalytic decomposition of hydrogen peroxide using temperature changes and energy calculations.
3. Graphical analysis for temperature rise versus reactant volume, deriving proportional relationships and energy release per mole of reactant.
4. Qualitative analysis involving identification of cations and anions in solutions through precipitation, solubility, and gas evolution tests.
5. Chemical reactions of hydrogen peroxide with sulfuric acid and other reagents, focusing on observable changes and reaction mechanisms.
6. Utilization of qualitative analysis notes for systematic identification of ions, including reactions with sodium hydroxide, ammonia, and silver nitrate.