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The oxidation potential of hydrogen half-cell will be negative if 

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By Expert Faculty of Sri Chaitanya
a
pH2=1atm and H+=1M
b
pH2=1atm and H+=2M
c
pH2=0.2atm and H+=1M
d
pH2=0.2atm and H+=0.2M
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detailed solution

Correct option is B

H2 →2 H+ + 2 e Eoxd=Eox0-0.0529nlog[H+]2PH2


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