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The satandard EMF of quinhydrone is 0.69...

The satandard `EMF` of quinhydrone is `0.699V`. The `EMF` of the quinhydrone electrode dipped in a solution with `pH=10` is

A

0.109V

B

`-0.109` V

C

`1.289` V

D

`-1.289` V

Text Solution

Verified by Experts

The correct Answer is:
A
`E = E^(@) - 0.059 pH`
`=0.699 - 0.059 xx 10 = 0.109 V`
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DISHA PUBLICATION-ELECTROCHEMISTRY -Exercise
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