Spontaneous change is one in which there is:

A. A lowering of entropy

B. A lowering of free energy

C. Increase in free energy

D. An increase in Internal energy

Answer: Option B

Solution(By Examveda Team)

Entropy and enthalpy together make a new quantity, the Free Energy which, under conditions of constant temperature and pressure, determines the direction of spontaneous change. All spontaneous processes have a negative change in free energy.