Mg(s) | Mg2+(0.001M) || Cu2+(0.0001 M) | Cu(s)

EMg2+/Mgo=-2.36 V; ECu2+/Cuo=0.34V

The value of Ecell  for the above reaction is -

1. 3.46 V 

2. 3.15 V

3. 2.67 V

4. 1.24 V

Subtopic:  Nernst Equation |
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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

Subtopic:  Nernst Equation |
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