MHT CET Chemistry question

The e.m.f. of the following cell, Zn The reduction potential of Zn electrode will be [MHT-CET 2001]

(A)Zero volt
(B)0.769 V
(C)-0.769 VCorrect
(D)-7.69 V

Answer: (C)

Solution

The cell diagram and its e.m.f. are not available in this copy; on the usual reading (Zn electrode as anode against a standard hydrogen electrode, e.m.f. 0.769 V) the

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Question ID VK-066463