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प्रश्न
Why is FeO (s) not formed in stoichiometric composition?
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उत्तर
In the crystals of FeO, some of the Fe2+ cations are replaced by Fe3+ ions. Three Fe2+ ions are replaced by two Fe3+ ions to make up for the loss of positive charge. Eventually there would be less amount of metal as compared to stoichiometric proportion.
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संबंधित प्रश्न
Explain the following term with a suitable example:
Interstitials
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Silver halides generally show:
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(i) Vacancy defect results in a decrease in the density of the substance.
(ii) Interstitial defects results in an increase in the density of the substance.
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(iii) impurity defect
(iv) non-stoichiometric defect
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Reason: Equal number of cation and anion vacancies are present.
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