for an isomerisation reaction `A Leftrightarrow B` , the temperature dependence of equilibrium constant is given by `log_(e)K =4.0 -2000/T` .the value of `DeltaS^(@)`at 300 K is therefore,
A. 4R
B. 5 R
C. 400 R
D. 2000 R

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1 Answers

Correct Answer - b
variation of K with temperature is given by `log K =(DeltaS^(@))/R- (DeltaH^(@))/(RT)=4.0-2000/T`
on comparing `(DeltaS^(@))/R=4or DeltaS^(@)=4R`

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