1.

In the extraction of Aluminimum by electrolysis. i. Give the composition of electrolyte used ii. Overall cell reaction iii. Role of cryolite

Answer»

SOLUTION :i. `"Molten "Al_(2)O_(3)+Na_(3)AlF_(6)|CaF_(2)`
ii. `2Al_(2)O_(3)+3C RARR 4Al+3CO_(2)`
iii. To DECREASE melting point of alumina.


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