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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

`-0.109V`

C

`1.289V`

D

`-1.289V`

Text Solution

Verified by Experts

The correct Answer is:
a
`E=E^(c-)-0.059pH`
`=0.699-0.059xx10=0.109V`
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