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  4. What is E° for electrode represented by Pt, H2(1 atm.)/2H+(1 M)

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Q. What is $ E{}^\circ $ for electrode represented by $ Pt,\,{{H}_{2}}(1\,atm.)/2{{H}^{+}}(1\,M) $

JIPMERJIPMER 1995

Solution:

The standard electrode potential of standard hydrogen electrode (SHE) has been arbitrarily taken to be equal to zero. Electrode potential of other elements are calculated in respect to SHE.