Q.

The equilibrium constant for a cell reaction, Cu(g) + 2Ag+(aq) → Cu2+(aq) + 2Ag (s) is 4 × 1016. Find E° (cell) for the cell reaction.

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a

0.49 V

b

 0.63 V

c

 1.23 V

d

3.24 V

answer is A.

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Detailed Solution

Given, equilibrium constant Kc = 4 × 1016
(cell) = 0.0592log10 Kc
(cell) = 0.0592log10 (4 × 1016)

(cell) = 0.49V

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