Chemistry 9701/43 May June 2014 | Cambridge AS Level Past Papers With Mark Scheme

1. Transition metals chemistry, including electronic configurations, ligand interactions, and complex geometries for ions like Cu²⁺ and Cu⁺.
2. Redox titration involving KMnO₄ and Fe²⁺ ions, calculation of molar masses, and interpretation of endpoint indicators.
3. Thermodynamics of copper oxides, enthalpy change calculations using enthalpy of formation values, and temperature-based reaction favorability analysis.
4. Organic reaction mechanisms and stereochemistry, focusing on compounds like piperic acid and noradrenaline, including stereoisomerism and functional group transformations.
5. DNA and RNA structure analysis, polymerization levels in proteins, and base pairing mechanisms influenced by hydrogen bonding.
6. Analytical chemistry techniques using NMR and mass spectrometry, identification of compounds based on spectral data, and structural isomer interpretations.
7. Protective drug delivery technologies, including liposomes and gold nanocages, for applications in controlled drug release influenced by environmental triggers.