Chemistry 9701/42 Oct Nov 2022 | Cambridge AS Level Past Papers With Mark Scheme

1. Definitions of lattice energy, enthalpy change of formation, and the electron affinity of bromine.
2. Calculation of the standard enthalpy change of formation for calcium chloride using provided data.
3. Determination of equilibrium constants and rate equations for reactions, including the rate constant and effect of concentration.
4. Understanding of reaction kinetics, including the impact of a catalyst on reaction order and the rate of reaction.
5. Explanation of the behavior of metal cations and ligands in coordination chemistry, including the color changes in complex ions.
6. Investigation of stereoisomerism, the modes of action of catalysts, and NMR spectroscopy data analysis.