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Question
Which among the following statements is true about Schottky defect?
Options
In this defect cation and anion are lacking in stoichiometric proportion
Formation of metal alloy Is example of this defect
In this cation or anion moves from regular site to place between lattice site
In this regular cation is replaced by different cation
MCQ
Solution
In this defect cation and anion are lacking in stoichiometric proportion
Explanation:
The cation and anion are not in stoichiometric proportion in the Schottky defect. In ionic solids, it's essentially a vacancy defect. The quantity of missing cations and anions must be equal to maintain electrical neutrality. The following illustration clearly depicts this flaw.
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Crystal Defects or Imperfections
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