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  • An oxidation -reduction rxn in which 3 electrons are tranferred has a <img alt="\mathrm{\Delta G^{\circ}}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmathrm%7B%5CDelta%20G%5E%7B%5Ccirc

An oxidation -reduction rxn in which 3 electrons are tranferred has a \mathrm{\Delta G^{\circ}} of \mathrm{21.61 \mathrm{KJ} \mathrm{mol}^{-1}}  at  \mathrm{25^{\circ} \mathrm{C}} . Find value of \mathrm{E^{\circ} cell}

Option: 1

 0.692 


Option: 2

 0.074 


Option: 3

 0.873
 


Option: 4

 0.164


Answers (1)

\mathrm{ \Delta G^0=-n F E^{\circ}_{\text {cell }} \\ }

\mathrm{ 21.61 \times 10^{3}=-3 \times 96500 \times E^0 \text {cell } \\ }

\mathrm{ E^0 \text { cell }=\frac{21.61 \times 10^3}{3 \times 96500} \\ }

\mathrm{ E^{\circ}_{\text {cell }}=0.074 }.
 

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Kshitij

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