In a homogeneous solution, the activity co-efficient of a component depends upon the

A. Pressure

B. Composition

C. Temperature

D. All of the above

Answer: Option D

Solution(By Examveda Team)

Activity co-efficient is defined as the ratio of fugacity at existing conditions to fugacity in ideal solution. Since fugacity is a function of temperature, pressure and composition we can say activity co-efficient is also a function of temperature pressure and composition.