A hydrogen gas electrode is made by dipping platinum wire in a solution of HCl of pH = 10 and by passing hydrogen gas around the platinum wire at one atm pressure. The oxidation potential of electrode would be?

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answer is 4.

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Detailed Solution

H21 atm→2H+10−10+2e− EH2/H+=0−0.0592log10−1021 EH2/H+=+0.59V

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