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Nernst Equation

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By Expert Faculty of Sri Chaitanya
Question

Emf of the cell  Zn/Zn+2//Cu+2/Cu  will be highest when 

Moderate
Solution

Ecell=Ecello0.0591nlog[Products]Reactants

AnodeZn  Zn+2+2e

Cathode   Cu+2 +2e-Cu

                  Zn + Cu+2   Zn+2 +Cu

E0cell is a constant

EcelllogZn+2Cu+2

Lesser theZn+2Cu+2,higher will be the Ecell

 (2) is correct


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