Chemistry 9701/22 Oct Nov 2022 | Cambridge AS Level Past Papers With Mark Scheme

1. Definitions of ionic and covalent bonds and identification of species involved in each type of bond.
2. Calculation of the number of protons and electrons in molecular ions such as NH4+, CO32-, and PO43-.
3. Explanation of Brønsted–Lowry acid and the ionic equation for the reaction of NH4+ with NaOH.
4. Hybridization of nitrogen in NH4+ and drawing of 2s and 2px orbitals.
5. Naming of anion PO43- and calculation of water molecules in struvite based on the given formula.
6. Understanding the SN1 reaction mechanism with 2-bromo-2-methylpropane and the definitions of tertiary bromoalkanes.