Question

Four successive members of the first series of transition metals are listed below. For which one of the of standard potential `(E_(M^(2+)//M)^(@))` value has a positive sign ?
A. `Ni(Z=28)`
B. `Cu(Z=29)`
C. `Fe(Z=26)`
D. `Co(Z=27)`

Answer 1

Correct Answer - B
In ECS Cu is lower then hydrogen