Assertion : Due to Frenkel defect, there is no change in the density of the crystalline solid.
Reason : In Frenkel defect, no cation or anion leaves the crystal.

Options

A. If both (A) and ( R) are correct and ( R) is the correct explanation of(A).
B. If both (A) and ( R) are correct, but ( R) is not the correct explanation of (A).
C. If (A) is correct, but ( R) is incorrect.
D. If both (A) and ( R) are incorrect.

Answer

A

Explanation

In Frenkel defect an ion leaves its position in the lattice and occupies normally vacant interstitial position.