MHT CET · Chemistry · Solid State
Which among the following statements is true about Schottky defect?
- A In this defect cation an anion are lacking in stoichiometric proportion
- B Formation of metal ally is example of this defect
- C In this cation or anion moves from regular site to place between lattice site
- D In this regular cation is replace by different cation
Answer & Solution
Correct Answer
(A) In this defect cation an anion are lacking in stoichiometric proportion
Step-by-step Solution
Detailed explanation
In Schottky defect, cation and anion are lacking in stoichiometric proportion. It is basically a vacancy defect in ionic solids. In order to maintain electrical neutrality, the number of missing cations and anions are equal. This defect can easily be illustrated by the following figure.
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