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Feo.98 has non stoichiometric metal deficiency defect or not

Feo.98 has non stoichiometric metal deficiency defect or not

Grade:12th pass

1 Answers

Vikas TU
14149 Points
6 years ago
Metal Deficiency Defects 
These contain less number of positive particles than negative particles. These emerge because of two ways: 
(i) Cation Vacancies: now and again, the positive particles might miss from their cross section destinations. The additional negative charge might be adjusted by some adjacent metal particle securing two positive charges rather than one. This sort of deformity is conceivable in metals which indicate variable oxidation states. 
The basic cases of mixes having this imperfection are ferrous oxide, ferrous sulfide, nickel oxide and so forth. 
(ii) Extra anions possessing interstitial destinations: For the situation, the additional anions might involve interstitial positions. The additional negative charge is adjusted by the additional charges on the neighboring metal particles. Such sort of deformity is not regular on the grounds that the negative particles typically huge and they can't without much of a stretch fit into the interstitial destinations. 

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