In the context of the Hall-Heroult proce...

In the context of the Hall-Heroult process for the extraction of Al, which of the following statements is false-

A

CO and `CO_2` are produced in this process

B

`Al_2O_3` is mixed with `CaF_2` which lowers the melting point of the mixture and brings conductivity

C

`Al^(3+)` is reduced at the cathode to form Al

D

`Na_3AlF_6` serves as the electrolyte

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Verified by Experts

The correct Answer is:

D

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