Q. The ratio of cationic radius to anionic radius in an ionic crystal is greater than 0.732. Its coordination number is
A) 1
B) 4
C) 6
D) 8
Explanation
(d)
When radius ratio between $0.732\ –1.000$, then coordination number is 8 and the structural arrangement is body centred cubic
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.