Question

In which case Ecell –
0 Ecell is zero?

1) Cu | Cu 0.01M || Ag 0.01M | Ag
2) Pt H | PH 1|| Zn 0.01M | Zn
3) Pt H | PH 1|| Zn 1M | Zn 2
4) Pt H | H 0.01M || Zn 0.01M | Zn 2

Answer 1

Hence, option 4 is correct.

Explanation: