CBSE Class 12 Chemistry 2022 Term 1 Paper

Question : 48

Total: 55

Assertion (A): Due to schottky defect, there is no effect on the density of a solid.
Reason (R): Equal number of cations and anions are missing from their normal sites in Schottky defect.

Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.

Solution:

Schottky defect arieses when equal Number of cations and anions are missing from their normal sites, due to this, the density of solid decreases.

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