Coordination CompoundHardBloom L3

Question

Which one of the following species does not represent cationic species of vanadium formed in aqueous solution

Options

A.VO+2
B.VO2+
C.[V(H2O)6]3+
D.VO22+

Solution

Sol. V = [Ar] 4s2 3d3

It has 5 valence e–.

⇒ maximum oxidation state shown by vanadium = +5.

Vanadium does not show + 6 oxidation state.

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