O-LevelChemistryElectrolysis5070/12 · May/June 2016 · Q181 Mark

Which statement does not describe a reduction reaction?

AElectrons are gained during the reaction.

BHydrogen is gained during the reaction.

CIt takes place at the negative electrode during electrolysis.

DOxygen is gained during the reaction.

✓ Correct answer

D: Oxygen is gained during the reaction.

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Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2016 Paper 1 Variant 2, question 18.

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