Solid State Question 168

Question: Potassium fluoride has $ NaCl $ type structure. What is the distance between $ {{K}^{+}} $ and $ {{F}^{-}} $ ions if cell edge is $ acm $

Options:

A) $ 2acm $

B) $ a/2cm $

C) $ 4acm $

D) $ a/4cm $

Show Answer

Answer:

Correct Answer: B

Solution:

Distance between $ {{K}^{+}} $ and $ {{F}^{-}}=\frac{1}{2}\times $ length of the edge