The electrolysis of some other solutions using inert electrodes
1 mark · EasyState 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.