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Question: Answered & Verified by Expert
The incorrect match in the following is:
ChemistryThermodynamics (C)JEE MainJEE Main 2019 (12 Apr Shift 2)
Options:
  • A ΔG0<0,K>1
  • B ΔG0>0,K<1
  • C ΔG0=0,K=1
  • D ΔG0<0,K<1
Solution:
1989 Upvotes Verified Answer
The correct answer is: ΔG0<0,K<1

We know that ΔG°=-RTlnK

ΔG°=-2.303 RTlog⁡K

so for k=1 , log⁡K=0

hence ΔG°=0 ;

for k>1 , log⁡K>0 

ΔG°=-ve

for k<1 , log⁡K<0

ΔG°>0

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