For a $Mg|Mg^{2+}_{(aq)}||Ag^{+}_{(aq)}|Ag$ cell,the correct Nernst Equation is $:$
- A$E_{\text{cell}} = E_{\text{cell}}^{o} - \frac{RT}{2F} \ln \frac{[Mg^{2+}]}{[Ag^{+}]^2}$
- B$E_{\text{cell}} = E_{\text{cell}}^{o} + \frac{RT}{2F} \ln \frac{[Ag^{+}]^2}{[Mg^{2+}]}$
- C$E_{\text{cell}} = E_{\text{cell}}^{o} - \frac{RT}{2F} \ln \frac{[Mg^{2+}]}{[Ag^{+}]}$
- D$E_{\text{cell}} = E_{\text{cell}}^{o} - \frac{RT}{2F} \ln \frac{[Ag^{+}]^2}{[Mg^{2+}]}$
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