A-LevelChemistryIntroduction to organic chemistry9701/12 · May/June 2024 · Q331 Mark
The diagram shows a simplified structure of coenzyme Q10. [Figure 33.1: coenzyme Q10 structure] Which row describes the structure of coenzyme Q10 correctly? [Table 33.1]
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Athe coenzyme is: an aldehyde, number of π bonds in one molecule: n+2
Bthe coenzyme is: an aldehyde, number of π bonds in one molecule: n+4
Cthe coenzyme is: a ketone, number of π bonds in one molecule: n+2
Dthe coenzyme is: a ketone, number of π bonds in one molecule: n+4
✓ Correct answer
D: the coenzyme is: a ketone, number of π bonds in one molecule: n+4
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