Chemistry 9701/11 Oct Nov 2018 | Cambridge AS Level Past Papers With Mark Scheme

1. Oxides of Nitrogen: Identifying natural and man-made occurrences of nitrogen oxides, including balancing chemical equations and determining oxidation state changes in reactions.
2. Rate of Reaction Investigation: Analyzing how the concentration of Fe3+ affects the rate of its reaction with iodide, including calculating reaction rates from experimental data.
3. Solubility Product Calculations: Determining the solubility product (Ksp) of magnesium hydroxide from given concentration data and explaining reactions in excess solutions.
4. Transition Metal Complexes: Understanding co-ordination changes in iron complexes and predicting the geometry of coordination compounds such as Fe(CO)2(NO)2.
5. Electrophilic Substitution Mechanisms: Analyzing the mechanism of reaction between 2-methylpropene and chlorine, including intermediate formation and electrophilic attack.
6. SN1 and SN2 Mechanisms in Halogenoalkanes: Identifying reactions that proceed via the SN1 mechanism, including those involving 1-iodopropane and 2-iodo-2-methylpropane.