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Introduction to d and f Block Elements

Variable vale...

Question

Variable valency of transition elements is on account of :

A

incomplete s - orbitals

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B

incomplete d - orbitals

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C

completely filled d - orbitals

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D

incomplete p-orbitals

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Solution

The correct option is B incomplete d - orbitals
D-block elements show variable valency due to their incomplete d-orbitals.

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Q. Assertion :The difference in the successive oxidation states exhibited by transition elements is unity only Reason: d orbitals of transition elements are incompletely filled

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The difference in the successive oxidation states exhibited by tranisition elements is unit only.
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