A current of `2` A was passed for `1 h` through a solution of `CuSO_4. 0.237g` of `Cu^(2+)` ions was
Channel: Doubtnut
Date: 2020-01-26

A current of `2` A was passed for `1 h` through a solution of `CuSO_4. 0.237g` of `Cu^(2+)` ions was discharged at cathode . The current efficiency is .