Essential Chemistry for IGCSE - Electricity And Chemistry (Section 7 - No. 24)
Which of the following statements is/are true regarding the electrolysis of molten aluminum oxide?
Aluminum is produced at the anode.
Oxygen gas is produced at the anode.
Aluminum ions gain electrons at the cathode.
The electrolyte is molten cryolite.
Explanation
Aluminum is produced at the cathode. Oxygen is produced at the anode. The electrolyte is molten aluminum oxide dissolved in molten cryolite.
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