A-LevelChemistryOrganic synthesis9701/12 · Feb/Mar 2018 · Q221 Mark

Compound X can be converted into compound Y in a single step. [Figure 22.1] What could be the identity of X?

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Acyclic structure with 5 carbon atoms, one C=C double bond and one methyl group.

BCyclohexene

CCyclohexanone

Dcyclic structure with 6 carbon atoms and an aldehyde group.

✓ Correct answer

A: cyclic structure with 5 carbon atoms, one C=C double bond and one methyl group.

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Topic: Organic synthesis, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2018 Paper 1 Variant 2, question 22.

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