A-LevelChemistryCarbonyl compoundsFeb/Mar 2016Paper 1 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?
Aan aldehyde, n+2
Ban aldehyde, n+4
Cketone, n+2
Dketone, n+4
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of carbonyl compounds within the Chemistrysyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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