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O-LevelChemistryElectrolysis5070/11 · May/June 2019 · Q151 Mark

Which negative ions are present in aqueous copper(II) sulfate?

Acopper(II) ions and hydrogen ions

Bcopper(II) ions only

Csulfate ions and hydroxide ions

Dsulfate ions only

✓ Correct answer

C: sulfate ions and hydroxide ions

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About this question

Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2019 Paper 1 Variant 1, question 15.

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