O-LevelChemistryOrganic Chemistry5070/11 · May/June 2020 · Q371 Mark

Compound T reacts with magnesium, aqueous sodium hydroxide and ethanol. Which group does T contain?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Adiagram showing a C=O carbonyl group.

Bdiagram showing a C=C alkene group.

Cdiagram showing a -COOH carboxylic acid group.

Ddiagram showing a -OH hydroxyl group.

✓ Correct answer

C: diagram showing a -COOH carboxylic acid group.

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2020 Paper 1 Variant 1, question 37.

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