1.

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?

Answer»

Solution :i.
II. `2Al_(2)O_(3)+3C rarr 4Al+3CO_(2)`
iii. ANODE.


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