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The standard reduction potential of Cd^(...

The standard reduction potential of `Cd^(2+)(aq)` is `-0.402V`.
A voltaic cell described by :
`Cd(s) + 2H^(+)(aq) rightarrow Cd^(2+)(aq) + H_(2)(aq)`
has [Cd^(2+)] = 0.900 m` and a hydrogen pressure of 0.975 atm. Its cell potential at `25^(@)C` is measured as `E = +9.192V`. What is the pH in the `H^(+) | H-(2)` half-cell?

A

3.o28

B

3.58

C

6.54

D

7.15

Text Solution

Verified by Experts

The correct Answer is:
B
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