Q. 355.0( 1 Vote )

Which quantity out of ΔrG and ΔrGΘwill be zero at equilibrium?

Answer :

o The relation between ΔrG and ΔrGΘ (standard Gibb's free energy of reaction) of a reaction is as follows:


ΔrG = ΔrGΘ + RT and, where, K is the equilibrium constant.


At equilibrium , ΔrG becomes 0


And ΔrGΘ = - RT lnK .


o ΔrGΘ can only be 0 when the value of K is =1. So, for all the other K values ΔrGΘ cannot be zero.


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