1. It is a dynamic equilibrium state
2. It can be approached from both the sides
3. At equilibrium the concentrations of the reactants and products remain constant.
4. Catalyst does not affect the equilibrium state but hastens the approach of equilibrium state.
5. At equilibrium the change in free energy, ΔG = 0
6. Equilibrium conditions can be affected by change in external variables such as change in concentration, temperature pressure etc.
