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  • If the reaction quotient for the row is & Cell potential for  <img alt="\mathrm{\mathrm{Zn} \

If the reaction quotient for the row is 10^{-3} & Cell potential for  \mathrm{\mathrm{Zn} \mid \mathrm{Zn}^{2+}\left(\mathrm{aq}\right. ) || \mathrm{Sn}^{x+}| \mathrm{S} n}  is 0.801v at 298k. The no. of electrons involved in the giver electrochemical cell ron.

Option: 1

8


Option: 2

12


Option: 3

6


Option: 4

15


Answers (1)

best_answer

\mathrm{ E=E^{\circ}-\frac{2.303 R T}{n F} \log Q }

\mathrm{E=+0.801 \mathrm{~V} }

\mathrm{E^{\circ}=E_{\text {cathode }}^0-E_{\text {anode }}^0\{SRPvalues \} }

\mathrm{ E^0 =0.008-(-0.763) \\ }

\mathrm{ =0.771 \mathrm{~V} }

\mathrm{ 0.801=+0.771-\frac{0.06}{n} \log 10^{-3} \\ }

\mathrm{ n=6 }

Posted by

vishal kumar

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