Q.
Match the types of defect given in Column I with the statement given in Column II
Column I
Column II
(i)
Impurity defect
(a)
$NaCl$ with anionic sites called F-centres
(ii)
Metal excess defect
(b)
$FeO$ with $Fe^{3+}$
(iii)
Metal deficiency defect
(c)
$NaCl$ with $Sr^{2+}$ and some cationic sites vacant
| Column I | Column II | ||
|---|---|---|---|
| (i) | Impurity defect | (a) | $NaCl$ with anionic sites called F-centres |
| (ii) | Metal excess defect | (b) | $FeO$ with $Fe^{3+}$ |
| (iii) | Metal deficiency defect | (c) | $NaCl$ with $Sr^{2+}$ and some cationic sites vacant |
The Solid State
Solution: