Q. Which of the following is not a colligative property?
A) Optical activity
B) Osmotic pressure
C) Depression of freezing point
D) Elevation of boiling point
Explanation
(a)
Colligative properties depends only upon the number of solute particles. Since, optical activity depends upon the nature of substance
(through which plane polarised light is passed), it is not a colligative property.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.