Question

What are the consequences of metal deficiency defect.

Answer 1

Answer:

In metal deficiency defect, a cation is missing from its lattice site. To maintain electrical neutrality, one of the nearest metal ions acquires an extra positive charge. This type of defect occurs in compounds where the metal can exhibit variable valency. e.g., Transition metal compounds.

Explanation:

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Answer 2

Explanation:

Consequences of Metal excess defect .

The crystals with metal excess defect are generally generally colour due tothe presence of free electron in them...( general word farbe means colour ) such excess ions are accompanied by positive ions vacancies .

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