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Schottky defect is observed in crystals ...

Schottky defect is observed in crystals when

A

an ion leaves its normal site and occupies an interstitial site

B

unequal number of cations and anions are missing from the lattice

C

density of the crystal is increased

D

equal number of cations and anions are missing from the lattice

Text Solution

Verified by Experts

The correct Answer is:
D
Schottky defect in crystals is observed when equal number of cations and anions are missing from the lattice. So, the cytstal remains neutral, e.g. NaCl.
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