Which of the following compound shows both Schottky and frenkel defect?

Which of the following compound shows both Schottky and frenkel defect? Correct Answer Silver(I) bromide

For a compound to show Schottky defect the size of anion and cation are similar size while Frenkel defect occurs where the size of the anion is larger than the cation. As the radius ratio of silver to bromine is intermediate, it shows both the defects.
Bissoy MCQ

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