Mg(s) | Mg2+(0.001M) || Cu2+(0.0001 M) | Cu(s)
The value of for the above reaction is -
1. 3.46 V
2. 3.15 V
3. 2.67 V
4. 1.24 V
The value of Ecell in the reaction below will be:
\(\small{Pt(s)|Br^{-}(0.010 \ M)|Br_{2}(l) \ ||H^{+}(0.030 \ M)|H_{2}(g)(1 \ bar)|Pt(s)}\)
\(E_{Br^{-}/Br_{2}}^{o} \ = \ -1.09 \ V\)
1. | +1.298 V
|
2. | -1.398 V
|
3. | -1.298 V
|
4. | -1.198 V |