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How does the density of crystal change d...

How does the density of crystal change due to Schottky defects ?

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The density of crystals decreases because certain ions are missing from the lattice.
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Explain the following : (i) How does density of crystals change due to Schottky defect ? (ii) How is conductivity of covalenet solids increased by introducing impurities ?

In the Schottky defect

In the Schottky defect:

Due to Frenkel defect, the density of the crystal, …….. Wherease due to schottky defect, it ……

Assertion (A) : The density of crystal having Schottky defect is lowered. Reason (R ) : The crystals suffering from Schottky defect have same number of cation and anions missing from their normal lattice sites.

Examine the given defective crystal How is the density of the crystal affected by this defect?

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