मराठी

Which of the following point defects are shown by AgBr(s) crystals? (A) Schottky defect (B) Frenkel defect (C) Metal excess defect (D) Metal deficiency defect - Chemistry

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प्रश्न

Which of the following point defects are shown by AgBr(s) crystals?

  1. Schottky defect
  2. Frenkel defect
  3. Metal excess defect
  4. Metal deficiency defect

पर्याय

  • A and B

  • C and D

  • A and C

  • B and D

MCQ

उत्तर

A and B

Explanation:

AgBr shows both Schottky and Frenkel defects.
In AgBr, both Ag+ and Br ions are absent from the lattice causing Schottky defect. However, Ag+ ions are mobile so they have a tendency to move aside the lattice and trapped in interstitial site, hence causing Frenkel defect.

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पाठ 1: Solid States - Exercises [पृष्ठ ४]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
पाठ 1 Solid States
Exercises | Q I. 22. | पृष्ठ ४

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