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The magnetic moments of complexes given ...

The magnetic moments of complexes given below are in the order: [Atomic No. Cr = 24, Mn = 25, Co = 27, Ni = 28]
(I) `[Ni(CO)_(4)]`
(II) `[Mn(CN)_6]^(4-)`
(III) `[Cr(NH_(_3))_(6)]^(3+)`
(IV) `[CoF_(6)]^(3+)`

A

`I gt II gt III gt IV`

B

`I lt II lt III lt IV`

C

`IV gt II gt I gt III`

D

`IV lt II lt I lt III`

Text Solution

Verified by Experts

The correct Answer is:
B
`mu=sqrt(n(n+2))" "n rarr` Number of unpaired electrons.
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