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  4. The correct relationship between the free energy change in a reaction and the corresponding equilibrium constant K is

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Q. The correct relationship between the free energy change in a reaction and the corresponding equilibrium constant K is

NTA AbhyasNTA Abhyas 2022

Solution:

$\text{ΔG} \, \text{=} \, \text{ΔG}^{\text{o}} \, \text{+} \, \text{RTlnk}$
At equilibrium
$\Delta G=0$
So $- \text{ΔG}^{\text{o}} \, \text{=} \, \text{RTlnK}$