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COMEDK2014ChemistrySolid State

Schottky defect in crystals is observed when

Options

  1. Aan ion leaves its normal site and occupies an interstitial site.
  2. Bunequal number of cations and anions are missing from the crystal lattice.
  3. Cequal number of cations and anions are missing from the crystal lattice.
  4. Dthere is large difference in size of positive and negative ions.

Correct answer

C. equal number of cations and anions are missing from the crystal lattice.

Step-by-step solution

The number of missing cations and anions are equal in Schottky defect to maintain electrical neutrality.

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