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AP EAMCET202023 Sep 2020Morning ShiftChemistryClassification of Elements and Periodicity in PropertiesActual

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.

Options

  1. A1
  2. B2
  3. C3
  4. D4

Correct answer

C. 3

Step-by-step solution

The re-written correct statements are: 1 ) Frenkel defect is favored by large difference in the sizes of cation and anion. 2 ) Frenkel defect is a dislocation defect. 3 ) Trapping of electron in the lattice leads to formation of F-centres. 4 ) Schottky defect has effect on the physical property of solids like density, etc.

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