Q. The polarising ability of which one of the following is highest?
A) Small highly positive ion
B) Large positive ion
C) Small highly negative ion
D) Large negative ion
Explanation
(a)
The polarising ability is characteristic of cation, smaller the size of cation with large magnitude of positive charge, more will be its polarising ability.
($\because$ It can cause large distortions in anion cloud.)
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.