A-LevelChemistryOrganic synthesis9701/12 · May/June 2019 · Q281 Mark

The diagram shows that a carboxylic acid P may be formed from X, Y or Z. [Figure 28.1] Which row is correct? alcohol X is the change in Mᵣ is greatest for A primary Y to P B primary Z to P C secondary Y to P D secondary Z to P

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Aalcohol X is: primary, the change in Mr is greatest for: Y to P

Balcohol X is: primary, the change in Mr is greatest for: Z to P

Calcohol X is: secondary, the change in Mr is greatest for: Y to P

Dalcohol X is: secondary, the change in Mr is greatest for: Z to P

✓ Correct answer

B: alcohol X is: primary, the change in Mr is greatest for: Z to P

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Topic: Organic synthesis, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2019 Paper 1 Variant 2, question 28.

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