Assertion (A) : In Schottky defect, density of crystal decreases.
Reason (R) : Equal number of cations and anions are missing in Schottky defect.

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A is false and R is correct

A is correct and R is false

Both A&R are correct and R is the correct explanation of A

Both A&R are correct and R is not the correct explanation of A

answer is A.

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Detailed Solution

In Schottky defect density decreases because equal number of cations and equal number of anions are missing i.e., A & R → true and correct explanation.

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