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MCQMediumJEE Main 2025 · 29 January, Shift 1Nernst Equation

Chemistry Question from JEE Main 2025 · 29 January, Shift 1

For a Mg∣Mg2+(aq)∣∣Ag+(aq)∣Ag\text{Mg} \mid \text{Mg}^{2+}(aq) \mid\mid \text{Ag}^{+}(aq) \mid \text{Ag}, the correct Nernst Equation is:

  • A

    Ecell=Ecello−RT2Fln⁡[Ag+][Mg2+]E_{\text{cell}} = E_{\text{cell}}^o - \frac{RT}{2F} \ln \frac{[\text{Ag}^+]}{[\text{Mg}^{2+}]}

  • B

    Ecell=Ecello+RT2Fln⁡[Ag+]2[Mg2+]E_{\text{cell}} = E_{\text{cell}}^o + \frac{RT}{2F} \ln \frac{[\text{Ag}^+]^2}{[\text{Mg}^{2+}]}

  • C

    Ecell=Ecello−RT2Fln⁡[Mg2+][Ag+]E_{\text{cell}} = E_{\text{cell}}^o - \frac{RT}{2F} \ln \frac{[\text{Mg}^{2+}]}{[\text{Ag}^+]}

  • D

    Ecell=Ecello−RT2Fln⁡[Ag+]2[Mg2+]E_{\text{cell}} = E_{\text{cell}}^o - \frac{RT}{2F} \ln \frac{[\text{Ag}^+]^2}{[\text{Mg}^{2+}]}

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