The reaction taking place at the cathode in the aluminium extraction is

Options

A. `Al^(3+)+3e^(-)toAl`
B. `6F^(-)to3F_(2)+6e^(-)`
C. `Al_(2)O_(3)+3F_(2)to2Al^(3+)+3//2O_(2)`
D. `C_((s))+2O_(2)^(2-)toCO_(2)(g)+4e^(-)`

Answer

A

Explanation

At cathode `Al^(3+)+3e^(-)toAl`