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As a result of Schottky defect

  • Option 1)

    There is no effect on density

  • Option 2)

    Density increases

  • Option 3)

    Density decreases

  • Option 4)

    All of the above

 

Answers (1)

best_answer

In schottky defect cations and anions are missing from their lattice site due to which mass of crystal decreases but volume of crystal remain same this causes decrease in density.

 

 

Schottky defect -

Defect in which equal number of cation and anions are missing from their crystal lattice site called schottky defect .

In this defect density of crystal deecreases and crystal behaves as P - type semiconductor , conductivity of crystal increases .

% of missing unit = (\frac{d_{theoretical} - d_{experimental}}{d_{theoretical}}) \times 100

- wherein

This defect is common in the compound having high coordination number and almost equal size of cation and anion.

ex : NaCl , KCl , CsCl , AgBr etc

 

 


Option 1)

There is no effect on density

This is incorrect

Option 2)

Density increases

This is incorrect

Option 3)

Density decreases

This is correct

Option 4)

All of the above

This is incorrect

Posted by

divya.saini

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