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Assertion: In a Schottky defect, an equal number of cations and anions are missing from the crystal lattice.

Reasoning: A Schottky defect involves the creation of a pair of vacancies, one for a cation and one for an anion, in a crystal lattice.

 

Option: 1

Both assertion and reasoning are true and the reasoning is the correct explanation of the assertion.

 


Option: 2

Both assertion and reasoning are true, but the reasoning is NOT the correct explanation of the assertion.

 


Option: 3

Assertion is true, but the reasoning is false.


Option: 4

Assertion is false, but the reasoning is true.

 


Answers (1)

best_answer

A Schottky defect is a type of point defect in a crystal lattice that involves the creation of a pair of vacancies, one for a cation and one for an anion. In this defect, an equal number of cations and anions are missing from the crystal lattice. This leads to a decrease in the density of the crystal.

The given reasoning is correct because the Schottky defect involves the creation of a pair of vacancies, one for a cation and one for an anion, in a crystal lattice. This creates an equal number of missing cations and anions from the crystal lattice. Therefore, both assertion and reasoning are true and the reasoning provides the correct explanation of the assertion.

 

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Kuldeep Maurya

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