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During the extraction of aluminimum by H...

During the extraction of aluminimum by Hall - He'rault process,
i) Write neat labelled diagram of elecctrolytic cell.
ii) Write over all cell reaction.
iii) At which electrode oxygen gas is liberated?

Text Solution

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i.
ii. `2Al_(2)O_(3)+3C rarr 4Al+3CO_(2)`
iii. Anode.
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