1)

Which type of 'defect' has the presence of cations in the interstitial sites?


A) Schottky defect

B) Frenkel defect

C) Metal deficiency defect

D) Vacancy defect

Answer:

Option B

Explanation:

It is the "Frenkel defect" in which cations leave their original site and occupy interstitial site as shown below.

482019115_cati.JPG