For a Mg | Mg2+(aq)| |Ag+(aq) | Ag the correct Nernst Equation is : (A) Ecell = ] Ag [ ] Mg [ ln F RT – E cell (B) Ecell = ] Mg [ ] Ag [ ln F RT E 2 cell (C) Ecell = ] Mg [ ] Ag [ ln F RT – E cell (D)

Question

For a Mg | Mg2+(aq)| |Ag+(aq) | Ag the correct Nernst Equation is :

(A) Ecell = ] Ag [ ] Mg [ ln F RT – E cell
(B) Ecell = ] Mg [ ] Ag [ ln F RT E 2 cell
(C) Ecell = ] Mg [ ] Ag [ ln F RT – E cell
(D) Ecell = ] Mg [ ] Ag [ ln F RT – E 2 cell

Prashant Kotian · Accepted Answer

Correct answer: B. Mg| aq Mg||Ag+ (aq)|Ag Anode Cathode Mg(s) aq Mg + 2e– 2Ag+ aq + 2e– 2 Ag over all cell reation Mg(s) + 2Ag+aq aq Mg + 2Ag. Applying nearest eqution. Ecell 2 cell ] Ag [ ] Mg [ ln F RT – E    ] Mg [ ] Ag [ ln F RT E 2 cell    

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