| \[N{{a}^{+}}C{{l}^{-}}N{{a}^{+}}C{{l}^{-}}N{{a}^{+}}C{{l}^{-}}\] |
| \[C{{l}^{-}}[\,\,\,\,]\,C{{l}^{-}}N{{a}^{+}}\,[\,\,\,\,]\,N{{a}^{+}}\] |
| \[N{{a}^{+}}C{{l}^{-}}\,[\,\,\,\,]\,C{{l}^{-}}N{{a}^{+}}C{{l}^{-}}\] |
| \[C{{l}^{-}}N{{a}^{+}}C{{l}^{-}}N{{a}^{+}}\,[\,\,\,\,]\,N{{a}^{+}}\] |
A) Interstitial defect
B) Schottky defect
C) Frenkel defect
D) Frenkel and Schottky defects
Correct Answer: B
Solution :
[b] When equal number of cations \[(N{{a}^{+}})\] and anions \[\left( C{{l}^{-}} \right)\] are missing from their regular lattice positions, we have schottky defect.
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