Schottky defect in a crystal is observed when,
- AUnequal number of cations and anions are missing from the lattice.
- BEqual number of cations and anions are missing from the lattice.
- CAn ion leaves its normal site and occupies an interstitial site.
- DNo ion is missing from its lattice site.
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MediumKCET 2017
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DifficultNEET 2019
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