Q.

Consider the following statement(s).I. Metal deficiency defect occurs when the metal shows variable valency.II. Transition metal shows metal deficiency defect.III. Because of metal deficiency, the compounds obtained are non- stoichiometric.Which of these statement(s) are incorrect?

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a

Only III

b

Only II

c

Only I

d

None of these

answer is D.

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Detailed Solution

Metal deficiency defect is shown by o metals which show variable valency, e.g. transition metal elements. It leads to the formation of non-stoichiometric compounds.
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