Chemistry 9701/23 May June 2018 | Cambridge AS Level Past Papers With Mark Scheme

The document you uploaded is a Cambridge International A-Level Chemistry exam paper (Paper 2: AS Level Structured Questions) for May/June 2018. The paper includes questions covering various areas of chemistry, including:

1. Oxides of Period 3 Elements: Drawing and identifying shapes of SO₃ and Cl₂O, explaining the differences in melting points of MgO, SiO₂, and SO₃.
2. Equilibrium and Kc Calculation: Understanding the effects of pressure on the equilibrium of the Contact process, writing equilibrium expressions, and calculating Kc values.
3. Isomerism: Explaining and identifying structural and stereoisomerism, and drawing isomers and polymers.
4. Halogens and Reactions: Understanding the trends in Group 17 elements, their reactions with water, and the formation of products like halides and oxides.
5. Organic Chemistry Reactions: Mechanisms of substitution and elimination reactions, and explaining SN1 and SN2 mechanisms in the context of organic compounds.

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