Q. Which of the following has maximum value of flocculating power?
A) ${Pb}^{2 +}$
B) ${Pb}^{4 +}$
C) ${Sr}^{2 +}$
D) ${Na}^{+}$
Explanation
(b)
The phenomenon of change of colloidal state to suspension state is called flocculation of colloidal solution.
According to Hardy-Schulze rule, the flocculating power of electrolyte increases with valency of ion of electrolyte.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.