1.

During the electrolytic reduction of alumina, the reaction at cathode is

Answer»

`2H_(2)O rarr O_(2) +4H+4e^(-)`
`3F rarr 3F+3e^(-)`
`AL^(3+) 3e^(-)rarr Al`
`2H^(+) rarr 2E^(-) rarr H_(2)`


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