O-LevelChemistryElectrolysis5070/12 · May/June 2017 · Q131 Mark

The diagrams show the apparatus for the electrolysis of aqueous copper(II) sulfate. In experiment X both electrodes are inert. In experiment Y both electrodes are made of copper. On which electrodes is solid metal deposited?

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A1 and 2

B1 and 3

C2 and 4

D3 and 4

✓ Correct answer

C: 2 and 4

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Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2017 Paper 1 Variant 2, question 13.

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