Solid State Question 162

Question: The number of equidistant oppositely charged ions in a sodium chloride crystal is

[MP PET 2001]

Options:

A) 8

B) 6

C) 4

D) 2

Show Answer

Answer:

Correct Answer: B

Solution:

In rock salt structure the co-ordination number of $ N{{a}^{+}}:C{{l}^{-}} $ is $ 6:6 $ .