A-LevelChemistryHalogen derivatives9701/12 · Feb/Mar 2025 · Q321 Mark

Compound Y is hydrolysed by warm aqueous silver nitrate to form a precipitate that is soluble in dilute aqueous ammonia. Compound Y undergoes an elimination reaction to form an alkene. What is the skeletal formula of compound Y?

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ASkeletal formula showing 2-bromobutane

BSkeletal formula showing 1-iodobutane

CSkeletal formula showing 2-chloro-2-methylpropane

DSkeletal formula showing chlorocyclohexane

✓ Correct answer

C: Skeletal formula showing 2-chloro-2-methylpropane

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Topic: Halogen derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2025 Paper 1 Variant 2, question 32.

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