1.

The correct statement regarding defect in solids is

Answer»

Schottky defect has no effect on the physical properties of SOLIDS
Frenkel defect is a DISLOCATION defect
Frenkel defect is USUALLY favoured by a very small difference in the sizes of cations and anions
trapping of proton in the lattice leads to the formation of f- centers.

Solution :Schottky defect has effect on the physical properties of solids i.e., it decreases the density of crystal. (c) Frenkel defect is usually favoured by a large difference in the sizes of cations and anions. (d) Trapping of electron in the lattice SITE leads to the formation of F-centers.


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