question_answer

When a cation leaves its normal position in the crystal and moves to some interstitial space, the defect in the crystal is known as

A)  Schottky defect    

B)  F-centre

C)  Frenkel defect

D)  non-stoichiometric defect

Correct Answer: C

Solution :

 Frenkel defect it is also known as interstitial defect.