O-LevelChemistryElectrolysis5070/11 · May/June 2011 · Q131 Mark

The diagram shows the electrolysis of molten lead(II) bromide using inert electrodes. What happens during this electrolysis?

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AAtoms change to ions.

BCovalent bonds are broken.

CIons change to atoms.

DNew compounds are formed.

✓ Correct answer

C: Ions change to atoms.

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Topic: Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2011 Paper 1 Variant 1, question 13.

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