Question 930 of 991 in Principles of Chemistry

The electrolysis of some other solutions using inert electrodes

1 mark · Easy

State whether aluminium or hydrogen is produced at the cathode during the electrolysis of aqueous aluminium sulfate using inert electrodes.

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hydrogen

Common mistakes: aluminium

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Marking points

B1 · 1 mark · Correctly states hydrogen is produced.

Worked solution

Hydrogen is produced, as aluminium is above hydrogen in the reactivity series and is not discharged.

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