Question

3. Alkali halides do not show Frenkel defect because
a. Cations and anions have almost equal size
b. There is a large difference in size of cations and anions
c. Cations and anions have low coordination number
d. Anions cannot be accommodated in voids​

Answer 1

Answer:

(a) is correct option

Explanation:

this is a condition there should be large difference in the sizes of cation and anion