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In which of t...

Question

In which of the following cell(s); $E_{c e l l} = E_{c e l l}^{\circ}$ ?

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}) | p H = 1 | | Z n^{2 +} (0.01 M) | Z n (s)

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P t (H_{2}) | p H = 1 | | Z n^{2} (1 M) | Z n (s)

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P t (H_{2}) | H^{+} = 0.01 M | | Z n^{2 +} (0.01 M) | Z n (s)

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Solution

The correct options are
A $P t (H_{2}) | p H = 1 | | Z n^{2 +} (0.01 M) | Z n (s)$
B $C u (s) | C u^{2 +} (0.01 M) | | A g^{+} (0.1 M) | A g (s)$
In option A and B we are having $E_{C E L L}$ = $E_{C E L L}^{0}$
and and in option C we are having $E_{C E L L}$ > $E_{C E L L}^{0}$
and in option D we are having $E_{C E L L}$ < $E_{C E L L}^{0}$
so, option A and B are correct

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