1.

Schottky defect in a crystal is observed when………………..

Answer»

UNEQUAL number of anions and anions are missing from the LATTICE
equal number of anions and anions are missing from the lattice
an ion leaves its NORMAL site and occupies an INTERSTITIAL site
no ion is missing from its lattice.

Solution :equal number of anions and anions are missing from the lattice


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