A-LevelChemistryCarbonyl compounds9701/12 · Feb/Mar 2016 · Q201 Mark

People who take statin drugs to control their blood cholesterol may also take 'coenzyme Q₁₀'. [Figure showing a simplified structure of one form of this coenzyme.] Which row describes this structure correctly?

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Aan aldehyde, n+2

Ban aldehyde, n+4

Cketone, n+2

Dketone, n+4

✓ Correct answer

D: ketone, n+4

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Topic: Carbonyl compounds, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2016 Paper 1 Variant 2, question 20.

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