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
Correct Answer: Le-Chatelier principle
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.