Electrolytic reducation of `Al_(2)O_(3)`
Electrolyte `(Al_(2)O_(3)+cryolite)`
Cathode : fraphite inside Fe -Container
Pick out the statement which is wrong if anode is made of nikel instesd of graphoite?

Options

A. ni is costly
B. Anode will be affected by the prouct formed
C. Graphite remain unaffected by prouced `F_(2)`
D. nikkel may be affected at high temperature

Answer

b