A-LevelChemistryCarbonyl compounds9701/12 · Oct/Nov 2016 · Q391 Mark

The compound shown is produced when sugar burns. [Figure showing structure of H3C-C(=O)-CHO] Which reagents would give a positive result with this compound? 1 alkaline aqueous iodine 2 2,4-dinitrophenylhydrazine 3 Fehling's solution

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A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

A: 1, 2 and 3 are correct

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Topic: Carbonyl compounds, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2016 Paper 1 Variant 2, question 39.

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