As the oxidation number of a transition metal in transition metal oxide increases, the ionic character

Increases

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Decreases

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Remains constant

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Cannot be predicted

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Solution

The correct option is B Decreases
As the oxidation number of a transition metal in transition metal oxide increases, the ionic character decreases.
This is because on increasing oxidation state of a cation it's size decreases and hence its polarizing power increases. According to Fajan's rule smaller is the size of cation greater will be its polarizing power and hence greater will be its covalent character. So ionic character reduces.

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Similar questions

In which of the following transition metal complexes does the metal exhibit zero oxidation state?

Give examples and suggest reasons for the following features of the transition metal chemistry:

(i)The lowest oxide of transition metal is basic, and the highest is amphoteric/acidic.

(ii) A transition metal exhibits the highest oxidation state in oxides and fluorides.

(iii) The highest oxidation state is exhibited in the oxoanions of a metal.

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