Q.
In a 0.2 molal aqueous solution of a weak acid HX, the degree of ionisation is 0.3 Taking $k_{f}$ for water as 1.85, the freezing point of the solution will be nearest to
A) MeV
B) Cal
C) Cm/s
D) Atm
Explanation
(d)
Osmotic pressure ($\pi$)=CRT
Unit of osmotic pressure is atm.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.