O-LevelChemistryOrganic Chemistry5070/12 · Oct/Nov 2017 · Q391 Mark

Which compound has a pH of less than 7 in aqueous solution?

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 of ethanoic acid (CH3COOH).

BDiagram of methanol (CH3OH).

CDiagram of methanoic acid (HCOOH).

DDiagram of ethanol (C2H5OH).

✓ Correct answer

C: Diagram of methanoic acid (HCOOH).

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 2, question 39.

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