Q. Which of the following is a lyophobic colloidal solution?
A) Aqueous starch solution
B) Aqueous protein solution
C) Gold sol
D) Polymer solutions in some organic solvents
Explanation
(c)
Gold sol is a lyophobic sol. Gold particles have very less affinity towards dispersion medium, hence its sol can be easily coagulated.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.