O-LevelChemistryAcids, Bases & Salts5070/12 · May/June 2020 · Q201 Mark

Which row correctly shows whether the hydrogen ion concentration and the pH of ethanoic acid are higher or lower than those of hydrochloric acid of the same concentration?

Ahydrogen ion concentration: higher, pH: higher

Bhydrogen ion concentration: higher, pH: lower

Chydrogen ion concentration: lower, pH: higher

Dhydrogen ion concentration: lower, pH: lower

✓ Correct answer

C: hydrogen ion concentration: lower, pH: higher

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Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2020 Paper 1 Variant 2, question 20.

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