What is a chemical equilibrium ? What are its characteristics ?

Explanation

Chemical Equilibrium :It is state of a reversible chemical reaction in which no change in the amount of reactants and products takes place . At equilibrium ,
Rate of forward reaction = Rate of backward reaction
Characteristics of equilibrium :
(i) IN chemical equilibrium , the rates of forward and backward reactions are equal .
(ii ) the observable properties such as pressure , concentration , colorr, density , viscosity etc.,
of the system reamain unchanged with time .
(iii ) The chemical equilibrium is a dynamic equilibrium , because both the forward and backward reactions continue to occur even though it appears static externally.
(iv ) In physical equilibrium , the volume of all the phases remain constant