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When I(2), (s)|I^(-) (0.IM) half cell i...

When `I_(2), (s)|I^(-)` (0.IM) half cell is connected to a `H^(+) (aq) |H_(2)`, (1 bar) Pt half cell, e.m.f.is found to be `0.7714 V. If E_(I_(2))^(@)=0.535` V, find the pH of `H^(+)|H_(2)` half-cell.

A

1

B

3

C

5

D

7

Text Solution

Verified by Experts

The correct Answer is:
B

The cell reaction `h_(2)(g)+l_{(2)(s) rarr2H^(+) (aq)+2li^(-)(aq) =pH=3`
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