Chemistry 9701/22 Oct Nov 2018 | Cambridge AS Level Past Papers With Mark Scheme

1. Nuclear Structure and Isotopes: Explaining the particle structure of gold, completing tables for particle properties, and discussing the concept of isotopes.
2. Bonding and Reactions: Types of bonding in gold, chemical reactions involving compounds like P4O10 and SO2, and explaining reaction mechanisms (e.g., dot-and-cross diagrams).
3. Melting Points and Trends: Sketching trends in melting points for elements in Period 3, explaining the reasons behind the trends.
4. Reactions of Compounds: Writing and balancing equations for various reactions, including those involving P4O10 and SO2, and analyzing the environmental consequences of sulfur dioxide.
5. Ionization Energy: Identifying anomalies in the ionization energy trends across Period 3 elements and explaining the reasons behind them.
6. Organic Chemistry: Various organic reactions, including forming and identifying products like CHF3, carbonyl dichloride, and 2-aminopropane, as well as reaction mechanisms like nucleophilic substitution and elimination.
7. Reduction Reactions: Understanding the reduction of organic compounds using LiAlH4 and other Group 1 metal hydrides.