InterviewSolution
Saved Bookmarks
| 1. |
The emf of the cell involving the reaction `2Ag^(+) (aq)+H_(2)(g) rarr 2Ag(s)+2H^(+) (aq)` is `0.080 V`. The standard oxidation potential od silver electrode isA. 0.80 VB. 0.40 VC. `-0.80 V`D. 0.20 V |
|
Answer» Correct Answer - C From the equation, give cell represented as `H_(2)|H^(+) (aq) ||Ag^(+) (aq)| Ag` Hence, `E_("cell")=E_(Ag^(+)//Ag)-E_(H^(+)//1/2 H_(2))` or `0.80=E_(Ag^(+)//Ag)-0.0` `:. E_(Ag^(+)//Ag)=0.80 V` Hence, `E_("oxi")=-0.80 V` |
|