Multiple choice

Which of the following crystals does not exhibit Frenkel defect?

  1. AgBr

  2. AgCI

  3. KBr

  4. ZnS
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Frenkel defects occur in crystals where there is a large difference in size between the cation and anion. KBr has ions of similar size, which favors the formation of Schottky defects instead.

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