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Electrode Potential

The standard ...

Question

The standard electrode potentials of $\frac{Z n^{2 +}}{Z n}$ and $\frac{A g^{+}}{A g}$ are $- 0.763 V$ and $+ 0.799 V$ respectively. The standard potential of the cell is

1.562V

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2.361V

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– 1.562 V

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– 2.361V

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Solution

The correct option is A 1.562V
$E_{c e l l}^{\circ} = E_{c a t h o d e}^{\circ} - E_{a n o d e}^{\circ} = 0.799 - (- 0.763) = 1.562 V$

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Similar questions

The standard electrode potentials of Zn²⁺/Zn and Ag⁺/Ag are -0.763 V and +0.799 V respectively. The standard potential of the cell is

[KCET 1993]

{Z n}^{2 +} / Z n

{A g}^{+} / A g

- 0.763 V

+ 0.799 V

\frac{Z n^{2 +}}{Z n}

\frac{A g^{+}}{A g}

- 0.763 V

+ 0.799 V

Z n^{2 +} | Z n

A g^{+}

The standard reducation potentials of

$Z n^{2 +} | Z n, C u^{2 +} | C u$ and $A g^{+} | A g$

are respectively -0.76, 0.34 and 0.8 V. The following cells were constructed.

a) $Z n | Z n^{2 +} | | C u^{2 +} | C u$

b) $Z n | Z n^{2 +} | | A g^{+} | A g$

c) $C u | C u^{2 +} | | A g^{+} | A g$

What is the correct order $E {^{0}}_{c e l l}$ of these cells?

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