A-LevelChemistryOrganic synthesis9701/12 · May/June 2022 · Q351 Mark

The skeletal formula of M is shown. [Figure showing skeletal formula of M, which is CH₃–CH(OH)–C(=O)–CH(OH)–CHO] M is reacted with an excess of LiAlH₄. Dilute acid is then added. What is the molecular formula of the final organic product?

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AC₅H₆O₅

BC₅H₁₀O₄

CC₅H₁₀O₃

DC₅H₁₂O₅

✓ Correct answer

D: C₅H₁₂O₅

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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 35.

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