Question 76 of 198 in Electrolysis

The electrolysis of other molten substances

1 mark · Easy

State which element forms at the anode during the electrolysis of molten magnesium oxide.

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Oxygen

Also accept: O2

Common mistakes: Magnesium; Mg

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Marking points

B1 · 1 mark · States oxygen (O2) is formed at the anode.

Worked solution

At the anode, oxygen gas forms during the electrolysis of molten magnesium oxide.

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