# Why is gibbs free energy always zero at equilibrium?

Bhavya
6 years ago
Dear student
Gibb’s free energy is zero at equilibrium.This fact can be understood through this simple formula
G = -2.303*R*T*logKeq
where Keq = 1 at equlibrium since rate of forward reaction = rate of backward reaction
Since, we know log 1=0 thusG comes out to be zero.