Solid State
In a solid lattice, the cation has left a lattice site and is located at an interstitial position. Such a lattice defect is called:
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Single Choice
Which is the incorrect statements?
AFrenkel defect is favoured in those ionic compounds in which sizes of cation and anions are almost equal
Correct Answer
B$$FeO_{0.98}$$ has non stoichiometric metal deficiency defect
CDensity decreases in case of crystals with Schottky's defect
D$$NaCl(s)$$ is insulator, silicon is semiconductor, silver is conductor, quartz is piezo electric crystal
Solution
A Frenkel defect is a form of point defect which is created when an atom or cation leaves its original place in the lattice structure to create a vacancy while occupying another interstitial position within the solid crystal.
This defect occurs only when cations are smaller in size when compared to the anions.
So, the correct answer is option A.
SIMILAR QUESTIONS
Solid State
An example of Frenkel defect is:
Solid State
Frenkel defect generally appears in:
Solid State
Due to Frenkel defect, the density of ionic solids:
Solid State
Among the following which statement is incorrect?
Solid State
What type of stoichiometric defect is shown by AgCl?
Solid State
Why does Frenkel defect not change the density of $$AgCl$$ crystals?
Solid State
Which point defect in crystals does not alter the density of the relevant solid ?
Solid State
What is Frenkel defect ?
Solid State
Why is Frenkel defect found in AgCl ?
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