Which one of the following crystals does not exhibit Frenkel defect? (a) \( \mathrm{AgBr} \) (b)...

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Which one of the following crystals does not exhibit Frenkel defect?
(a) \( \mathrm{AgBr} \)
(b) \( \mathrm{AgCl} \)
(c) \( \mathrm{CsCl} \)
(d) \( \mathrm{ZnS} \)
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