The correct statement(s) regarding defects in solids is/are : |
I. Frenkel defect is caused due to shift of positive ion from its normal lattice site to interstitial site. |
II. Frenkel defect is not a dislocation defect. |
III. Schottky defects have no effect on the physical properties of solid. |
IV. Trapping of \[{{e}^{-}}\] in lattice leads to the formation of F-centre. |
A) I and II
B) II and III
C) III and IV
D) I and IV
Correct Answer: D
Solution :
[d]Among the given statements, I and IV are correct and II and III are incorrect. Their correct form are as follows |
Frenkel defect is a dislocation defect because ion left its space and aquired some other space. |
Schottky defect effects on the physical properties/solid due to change in density. |
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