Chemistry 9701/01 May June 2002 | Cambridge AS Level Past Papers With Mark Scheme

1. Chemical Reactions and Bonding: Identifying particles involved in radioactive decay, understanding the bond lengths in molecules, and analyzing the physical states of compounds like iodine and water.
2. Environmental Chemistry and Air Quality: Understanding the effects of pollutants like carbon monoxide, sulfur dioxide, and nitrogen oxides in vehicle exhaust and their effects on human health, along with catalytic converters' role in reducing harmful emissions.
3. Chemical Thermodynamics and Reactions: Defining standard enthalpy changes, calculating heat released in reactions, and determining enthalpy changes using Hess's Law and experimental data.
4. Polymerization and Organic Chemistry: Analyzing organic reactions such as ethene polymerization and substitution reactions in halogenoalkanes, and exploring isomerism in organic compounds.
5. Spectroscopy and Chemical Structure: Understanding UV-visible absorption spectra for organic compounds, identifying functional groups, and determining molecular structures from mass spectrometry and IR spectroscopy.
6. Transition Elements and Electrolysis: Investigating electrochemical purification of copper and analyzing the behavior of manganese in different oxidation states.