During electrolysis, `O_(2)(g)` is evolved at anode in

During electrolysis the reaction occurs at anode is

During electrolysis of water gas produced in anode is ________

On electrolysis of a solution of dilute H_(2)SO_(4) between platinum electrodes , the gas evolved at the anode is (a) SO_(2) (b) SO_(3) (c) O_(2) (d) H_(2)

During the electrolysis of fused NaCl, the anodic reaction is

The chief product of electrolysis of Al_(2)O_(3) at the anode in the Hall's process is

During electrolysis of silver salts in the presence of Ag electrodes, Ag is _______ at the anode.

Which of the following on electrolysis would, not evolve oxygen at the anode ?