Alkali halides do not show dislocation defect because
- Aanions cannot be accommodated in vacant spaces
- Bcations and anions have almost equal size
- Cthere is large difference in size of cations and anions
- Dcations and anions have low coordination number
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Similar Questions
Missing of one monovalent cation and one monovalent anion from the crystal lattice is called
Medium
View SolutionIn a solid lattice,the cation has left a lattice site and is located at an interstitial position. The lattice defect is:
MediumAIIMS 1982
View SolutionThe correct statement$(s)$ regarding defects in solids is(are):
$A$. Frenkel defect is usually favoured by a very small difference in the sizes of cation and anion.
$B$. Frenkel defect is a dislocation defect.
$C$. Trapping of an electron in the lattice leads to the formation of $F$-center.
$D$. Schottky defects have no effect on the physical properties of solids.
$A$. Frenkel defect is usually favoured by a very small difference in the sizes of cation and anion.
$B$. Frenkel defect is a dislocation defect.
$C$. Trapping of an electron in the lattice leads to the formation of $F$-center.
$D$. Schottky defects have no effect on the physical properties of solids.
DifficultIIT 2009
View SolutionWhich of the following statements is $WRONG$?
Medium
View SolutionIf $NaCl$ is doped with $10^{-3} \, mol \% \, SrCl_2$,what will be the concentration of cation vacancies?
Medium
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