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The correct order of magnetic moment (sp...

The correct order of magnetic moment (spin values in is .
(Atomic number `Mn=25,Fe=26,Co=27)`
(I) `[MnBr_(4)]^(2-)`(II)`[Fe(CN)_(6)]^(4-)` (III) `[CoBr_(4)]^(2-)` .

A

`IIgtIIIgtI`

B

`IgtIIgtIII`

C

`IIgtIgtIII`

D

`IgtIIIgtII`

Text Solution

Verified by Experts

The correct Answer is:
D
`Mn^(2+),Fe^(2+)` and `Co^(2+)` has `3d^(5),3d^(6)` and `3d^(7)` configuration having `5,0` and 3 unpaired electrons respectively .
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