Which of the following relation represents correct relation between standard electrode potential...

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Which of the following relation represents correct relation between standard electrode potential and equilibrium constant?
I. \( \log \mathrm{K}=\frac{n F E^{\circ}}{2.303 \mathrm{RT}} \)
II. \( \mathrm{K}=\mathrm{e}^{\frac{\mathrm{nFE}}{\mathrm{RT}}} \)
III. \( \log \mathrm{K}=\frac{-n F E^{\circ}}{2.303 \mathrm{RT}} \)
IV. \( \quad \log \mathrm{K}=0.4342 \frac{-\mathrm{nFE}^{\circ}}{\mathrm{RT}} \)
Choose the correct statement(s).
(a) I, II and III are correct
(b) II and III are correct
(c) I, II and IV are correct
(d) I and IV are correct
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