An oxidation reduction reaction has 3 mols of electrons transferred in the overall reaction. The equilibrium constant    Kc =3.8x 1022 . Calculate E∘cell at 298 K   a)  42,45 V   b)  0.44 V   c)  1.32 V   d)  -0.44 V

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An oxidation reduction reaction has 3 mols of electrons transferred in the overall reaction. The equilibrium constant  

 Kc =3.8x 1022 . Calculate E∘cell at 298 K

 

a) 

42,45 V

 

b) 

0.44 V

 

c) 

1.32 V

 

d) 

-0.44 V

Expert Solution
Step 1

The relationship between the E0cell and equilibrium constant is given by 

RTln(K) = nFE0cell 

where R = gas constant = 8.314 J/K.mol

T = Temperature in Kelvin = 298 K

K = equilibrium constant = 3.8 X 1022 

n = number of electrons transferred in the reaction = 3     

F = Faraday's constant = 96500 C 

 

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