| Assertion: The presence of a large number of Schottky defects lowers the density of NaCI crystals. |
| Reason: In NaCI, there are approximately 106 Schottky pairs per \[c{{m}^{3}}\] at room temperature. |
A) Assertion and reason both are correct statements and reason is correct explanation for assertion.
B) Assertion and reason both are correct statements but reason is not correct explanation for assertion.
C) Assertion is correct statement but reason is wrong statement.
D) Assertion is wrong statement but reason is correct statement.
Correct Answer: B
Solution :
Correct explanation. The density of NaCI crystals get lowered because a large number of ions and anions) are missing from the lattice.
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