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O-LevelChemistryElectrolysis5070/11 · Oct/Nov 2016 · Q151 Mark

Molten salts of four metals are electrolysed. The ions of which metal require the smallest number of electrons for one mole of atoms to be liberated during electrolysis?

Aaluminium
Bcalcium
Ciron
Dsodium

✓ Correct answer

D: sodium

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About this question

Topic
Electrolysis, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2016 Paper 1 Variant 1, question 15.

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