Q.

If the Ecell ° for a given reaction has a negative value, which of the following gives the correct relationships for the values of ΔG° and Keq ?

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a

ΔG°>0;Keq<1

b

ΔG°>0;Keq>1

c

ΔG°<0;Keq>1

d

ΔG°<0;Keq<1

answer is A.

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Detailed Solution

ΔG°=-nFEcell °

 If Eeell °=- ve then ΔG°=+ ve  i.e.; ΔG°>0.ΔG°=-nRTlogKeq 

 For ΔG°=+ ve ,Keq =- ve  i.e., Keq <1 . 

 

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