| Column-I | Column-II | ||
| A. | Schoottky defect | 1. | Due to missing of cation from its lattice site |
| B. | Metal deficiency defect | 2. | Ion disloated from its normal site |
| C. | Frenkel defect | 3. | Equal number of cations and anions are missing |
A) A-1 B-2 C-3
B) A-2 B-3 C-1
C) A-3 B-2 C-1
D) A-3 B-1 C-2
E) A-2 B-1 C-3
Correct Answer: D
Solution :
? Schottky defect arises when equal number of cations and anions are missing from the lattice and thus they are electrically neutral. ? Metal deficiency defect occurs when metals shows variables valency. The defect arises due to missing of cation from its lattice site mostly found with a composition of\[F{{e}_{0.95}}O.\] ? Frenkel defect arises when ion dislocates from its lattice site and occupies the interstitial site. Thus, maintaining the stoichiometry of the compound.
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