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

The ratio of magnetic moments of Fe(III) & Co(ll) 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) - [Ar]3d^(5) rArr 5` unpaired electrons
`CO^(+2) - [Ar]3d^(7) rArr 3` unpaired electrons
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