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The reduction potential of hydrogen half...

The reduction potential of hydrogen half cell will be negative if :

A

`P(H_2) = 1 atm and [H^(+)] = 1.0 M`

B

`p(H_2)=2 atm and [H^(+)] = 1.0M`

C

`p(H_(2)= 2atm and [H(+)] = 2.0 M`

D

`p(H_(2)=1atm and [H^(+)] = 2.0M`

Text Solution

Verified by Experts

For hydrogen electrode,
`H^(+)(aq)+e^(-)to1/2H_2(g)`
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