Question

Is standard free energy change of a reaction is found to be zero what is its equilibrium constant?

Answer 1

This relationship allows us to directly relate the standard free energy change to the equilibrium constant. ... If delta G standard is between -20 kJ and +20 kJ, then there is an equilibrium, a mixture of both reactants and products. And when delta G = 0, K = 1 and there are equal amounts of both.

Answer 2

Its equilibrium constant is 1

Explanation:

Relation of standard free energy change and equilibrium constant

$\Delta G^o=-2.303\times RT\times \log K_c$

where,

$\Delta G^o$ = standard free energy change = 0

R = universal gas constant

T = temperature

$K_c$ = equilibrium constant = ?

$0=-2.303\times RT\times \log K_c$

$\log K_c=0$

$K_c=antilog (0)=1$

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