In electrolysis of A1(2)O(3)by Hall-Hero...

In electrolysis of `A1_(2)O_(3)`by Hall-Heroult process:

A

cryolite `Na_(3)[AlF_(6)]` lowers the melting point of `Al_(2)O_(3)` and increases its elctrical conductivity

B

Al is obtained at cathode and probably `CO_(2)` at anode

C

both a and b are correct

D

None of these

Text Solution

Verified by Experts

The correct Answer is:

C

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