What will be the value of G° for the rection Cu+2 + Fe             Fe+2 + Cu , 

if ECu+2Cu = +0.34 V and EFe+2Fe = -0.44 V

(1) -65.62 KJ

(2) -75.27 KJ

(3) -150.54 KJ

(4) +150.54 KJ

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Electrode Potential / Introduction

(3) 

Ecell     =ECu+2Cu - EFe+2Fe             =0.34 - (-0.44) = 0.78 V G°  = -n FEcell°            =-2 X 96500 X 0.78            = -150540 J            = -150.54 KJ

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