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What are anion vacancies ? Discuss....

What are anion vacancies ? Discuss.

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In this case, one or more anions are missing from their normal sites. Their positions are occupie by the electrons. This type of defect is shown in the figure

When sodium chloride is heated in the atmosphere of sodium vapours, then it shows this type defect.
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OMEGA PUBLICATION-THE SOLID STATE-MULTIPLE CHOICE QUESTIONS
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