In which of the following cell (s) : E $_{c e l l} = E_{c e l l}^{o}$ ?

C u (s) | C u^{2 +} (0.01 M) | | A g^{+} (0.1 M) | A g (s)

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P t, H_{2} (g) a t m | p H = 1 | | Z n^{2 +} (0.01 M) | Z n (s)

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P t, H_{2} (g) a t m | p H = 1 | | Z n^{2 +} (1 M) | Z n (s)

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P t, H_{2} (g) a t m | H^{+} = 0.1 M | | Z n^{2 +} (0.01 M) | Z n (s)

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Solution

The correct options are
A $C u (s) | C u^{2 +} (0.01 M) | | A g^{+} (0.1 M) | A g (s)$
C $P t, H_{2} (g) a t m | p H = 1 | | Z n^{2 +} (0.01 M) | Z n (s)$
D $P t, H_{2} (g) a t m | H^{+} = 0.1 M | | Z n^{2 +} (0.01 M) | Z n (s)$
$E_{c e l l} = E_{c e l l}^{0} - \frac{0.0591}{n} l o g Q$ if Q $=$ 1
$E_{c e l l} = E_{c e l l}^{0}$
(A) $Q = \frac{0.01}{{0.1}^{2}} = 1$ (B) $Q = \frac{{0.1}^{2}}{0.01} = 1$
(C) $Q = \frac{{0.1}^{2}}{1} = 0.1$ (D) $Q = \frac{{0.1}^{2}}{0.01} = 1$

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