O-LevelChemistryElectrolysis5070/11 · May/June 2013 · Q151 Mark

A simple cell is shown below. Which statement about the process occurring when the cell is in operation is correct?

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ACu2+ ions are formed in solution.

BElectrons travel through the solution.

CThe reaction Zn → Zn2+ + 2e⁻ occurs.

DZinc increases in mass.

✓ Correct answer

C: The reaction Zn → Zn2+ + 2e⁻ occurs.

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Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2013 Paper 1 Variant 1, question 15.

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