The e-m-f- of a cell corresponding to the reaction Zn-2H-aq - Zn2-0-1M-H2g1 atm is 0-26 volt at 25-C- The pH of the solution at the hydrogen electrode is- E-Zn2-Zn-0-76 V and E-H-H2-0

E _ cell = 0.26 E _ cell ^∘ #160; = E _ H ^ + / H _ 2 ^∘ #160; E _ Zn ^ 2+ /Zn ^∘ #160; E _ cell ^∘ #160; = 0 ( 0.76) = 0.76 V ...

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Nernst Equation

The e.m.f. of...

Question

The e.m.f. of a cell corresponding to the reaction $Z n + 2 H^{+} (a q) \to Z n^{2 +} (0.1 M) + H_{2} (g) (1 a t m)$ is 0.26 volt at $25^{\circ}$ C. The pH of the solution at the hydrogen electrode is: $(E_{Z n^{2 +} / Z n}^{\circ} = - 0.76$ V and $E_{H^{+} / H_{2}}^{\circ} = 0)$

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