A-LevelChemistryOrganic synthesis9701/12 · May/June 2022 · Q321 Mark

The structure of coniine is shown. [Figure showing the skeletal formula of coniine] Coniine can be synthesised by reacting ammonia with a dibromo compound, X. NH₃ + C₈H₁₆Br₂ → coniine + 2HBr What is compound X?

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A1,1-dibromo-2-propylcyclopentane

B1,2-dibromo-2-propylcyclopentane

CBr(CH₂)₃CHBr(CH₂)₃CH₃

DBr(CH₂)₄CHBr(CH₂)₂CH₃

✓ Correct answer

D: Br(CH₂)₄CHBr(CH₂)₂CH₃

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Topic: Organic synthesis, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2022 Paper 1 Variant 2, question 32.

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