Which of the following statements is $WRONG$?
- A$A$. $A$ metal can show only stoichiometric defects
- B$B$. Schottky defect reduces the density of a solid due to significant increase in volume.
- C$C$. Impurity defect always change the density.
- D$D$. Solids having $F$-centres have metal excess defect due to missing anions
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Similar Questions
The correct statement among the following,regarding defects in solids is:
$(1)$ Frenkel defect is favored by small difference in the sizes of cation and anion.
$(2)$ Frenkel defect is a metal excess defect.
$(3)$ Trapping of electron in the lattice leads to formation of $F$-centres.
$(4)$ Schottky defect has no effect on the physical property of solids.
$(1)$ Frenkel defect is favored by small difference in the sizes of cation and anion.
$(2)$ Frenkel defect is a metal excess defect.
$(3)$ Trapping of electron in the lattice leads to formation of $F$-centres.
$(4)$ Schottky defect has no effect on the physical property of solids.
Which of the following crystals exhibits both Schottky and Frenkel defects?
Easy
View SolutionWhen $SrCl_2$ is added to molten $NaCl$ and crystallized,the defect formed is ........
Easy
View SolutionHow do defects arise in crystals? State the types of defects.
Medium
View SolutionWhich of the following does not change the density of $SiC$ solid?
Medium
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