d and f-Block ElementsHard

Question

What is the correct order of spin only magnetic moment of Mn2+, Cr2+ and V2+ :-

Options

A.Mn2+ > V2+ > Cr2+
B.V2+ > Cr2+ > Mn2+
C.Mn2+ > Cr2+ > V2+
D.Cr2+ > V2+ > Mn2+

Solution

                                            Mn2+   Cr2+     V2+
No. of unpaired electrons    5          4        3
Mag. moment ∝ No. of unpaired electrons

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