Statement : `Pt_(H_(2))|HCl ` at `25^(@)C E_(H) = 0`. Explanation : For primary reference electrode `E_(H//H^(+))^(@) = 0`A. `S` is correct but `E` is wrongB. `S` is wrong but `E` is correct.C. Both `S` and `E` are correct and `E` is correct explanation of `S`.D. Both `S` and `E` are correct but `E` is not correct explanation of `S`.

Statement : `Pt_(H_(2))|HCl ` at `25^(@)C E_(H) = 0`. Explanation : Fo

1.	Statement : `Pt_(H_(2))\|HCl ` at `25^(@)C E_(H) = 0`. Explanation : For primary reference electrode `E_(H//H^(+))^(@) = 0`A. `S` is correct but `E` is wrongB. `S` is wrong but `E` is correct.C. Both `S` and `E` are correct and `E` is correct explanation of `S`.D. Both `S` and `E` are correct but `E` is not correct explanation of `S`.
Answer» Correct Answer - B Primary reference electrode is `{:(P.t_(H_(2))),(1 atm):}\|{:(HCl),(1M):}` at `25^(@)C` its `E^(@)=0`

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What are elementary reactions ?

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