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In the electrolysis of alumina it is mix...

In the electrolysis of alumina it is mixed with cryolite `(Na_(3)AlF_(6))` and Fluorspar `(CaF_(2))` in the ratio `20:40:20`. The function of cryolite and fluorspar is

A

to dissolve alumina

B

to increase ionisation of alumina

C

to increase the fusion temperature of alumina

D

to decrease the fusion temperature of alumina and to make it good conductor of electricity

Text Solution

Verified by Experts

The correct Answer is:
D
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