For a redox reaction,$Oxi + ne^- \rightarrow Red$,what is the correct form of the Nernst equation?

  • A
    $E_{cell} = E_{cell}^\circ + \frac{RT}{nF} \ln \frac{[Red]}{[Oxi]}$
  • B
    $E_{cell} = E_{cell}^\circ - \frac{RT}{nF} \ln \frac{[Red]}{[Oxi]}$
  • C
    $E_{cell} = E_{cell}^\circ - \frac{RT}{nF} \ln \frac{[Oxi]}{[Red]}$
  • D
    $E_{cell} = E_{cell}^\circ + \frac{RT}{nF} \ln \frac{[Oxi]}{[Red]}$

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The correct representation of Nernst's equation for the reduction of a metal ion $M^{n+}$ to metal $M$ is:

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