Essential Chemistry for IGCSE - Electricity And Chemistry (Section 5 - No. 50)
In the context of aluminum extraction, what is the function of the cathode?
To oxidize the aluminum ions.
To reduce the aluminum ions.
To oxidize the oxide ions.
To provide a pathway for oxygen production.
Explanation
The cathode is where the reduction of aluminum ions (Al3+) to aluminum metal (Al) occurs.
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