Chemistry 9701/52 May June 2014 | Cambridge AS Level Past Papers With Mark Scheme

1. Partition coefficient experiment for ammonia between water and trichloromethane using titration with sulfuric acid, considering solubility differences and hazards.
2. Preparation and dilution of concentrated aqueous ammonia to achieve specific molarity for experimental use.
3. Safety precautions in handling hazardous chemicals like ammonia and trichloromethane during partition experiments.
4. Kinetics of nitrogen(II) oxide oxidation by ozone, analyzing data for reaction order and rate constant determination.
5. Graphical analysis of reaction data to identify anomalies, calculate rates, and determine reaction order using concentration-time relationships.
6. Importance of excess ozone concentration in experiments to isolate the order of reaction concerning nitrogen(II) oxide.