Solid State Question 215

Question: The ratio of cationic radius to anionic radius in an ionic crystal is greater than 0.732. Its coordination number is

[KCET 2003]

Options:

A) 6

B) 8

C) 1

D) 4

Show Answer

Answer:

Correct Answer: B

Solution:

When radius ratio between $ 0.732-1, $ then co-ordination number is 8 and structural arrangement is body-centred cubic.