At \( 25^{\circ} \mathrm{C} \), the standard \( \mathrm{EMF} \) of cell having reactions involvi...

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At \( 25^{\circ} \mathrm{C} \), the standard \( \mathrm{EMF} \) of cell having reactions involving a two electron change is found to be \( 0.295 \mathrm{~V} \). The equilibrium constant of the reaction is
(A) \( 29.5 \times 10^{-2} \)
(B) \( 10 \)
(C) \( 10^{10} \)
(D) \( 29.5 \times 10^{10} \)
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