When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the

A. Le-Chatelier principle

B. Kopp's rule

C. Law of corresponding state

D. Arrehenius hypothesis

Answer: Option A

Solution(By Examveda Team)

Le Chatelier's principle states that a system will react to a change (disturbing the equilibrium) in such a way that it minimizes the change.