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The ratio of magnetic moment of Fe(III) ...

The ratio of magnetic moment of `Fe`(III) and Co(II) is :

A

`sqrt(5) : sqrt(7)`

B

`sqrt(35) : sqrt(15)`

C

`7 : 3`

D

`sqrt(24) : sqrt(15)`

Text Solution

Verified by Experts

The correct Answer is:
B
`Fe^(3+) rarr 3d^(5)`
5 unpaired electrons
`Co^(2+) rarr 3d^(7)`

`3` unpaired electrons
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