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 $ .