Alkali halides do not show dislocation defect because

Question

Alkali halides do not show dislocation defect because (A) Cations and anions have almost equal size (B) There is large difference in size of cations and anions (C) Cations and anions have low co-ordination number. (D) Anions cannot be accommodated in vacant spaces.

Tardigrade Admin · Accepted Answer

Correct answer is (b) There is large difference in size of cations and anions

Q. Alkali halides do not show dislocation defect because

Cations and anions have almost equal size

There is large difference in size of cations and anions

Cations and anions have low co-ordination number.

Anions cannot be accommodated in vacant spaces.

Correct answer is (b) There is large difference in size of cations and anions