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The crystal with metal deficiency defect isA. NaClB. FeOC. KClD. ZnO

Answer» Correct Answer - c
In FeO, as some Fe may be present as ` Fe^(3+)` and for charge neutality ` 3 Fe^(2+) = 2 Fe^(3+)` . Hence, FeO should have metal deficiency defect.


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