O-LevelChemistryElectrolysis5070/12 · May/June 2016 · Q131 Mark

Concentrated aqueous sodium chloride is electrolysed using inert electrodes until no more chlorine gas is evolved. What could be the pH of the resulting solution?

D11

✓ Correct answer

D: 11

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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 13.

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