1.

Frenkel defect is caused due to                 [MP PET 1994]

A.                 An ion missing from the normal lattice site creating a vacancy
B.                 An extra positive ion occupying an interstitial position in the lattice
C.                 An extra negative ion occupying an interstitial position in the lattice
D.                 The shift of a positive ion from its normal lattice site to an interstitial site
Answer» E.


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