Chemistry 9701/22 May June 2023 | Cambridge AS Level Past Papers With Mark Scheme

1. Identification of bonding types in magnesium and sodium chloride, with an explanation of the melting point differences between them.
2. Explanation of the structure and bonding differences between phosphorus and sulfur.
3. Definition and explanation of electronegativity, its trend across a period, and its influence on molecular interactions.
4. Reactions of silicon and phosphorus chlorides with water, including pH predictions and relevant equations.
5. Description of the reaction between chlorine and water, and the formation of bleach, including the equation for sodium chlorate(I) and its concentration calculation.
6. Mechanism of producing a food additive from ethyl chloride, including reagent conditions, reaction types, and bond analysis.