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What is the magnetic moment of K(3)|FeF(...

What is the magnetic moment of `K_(3)|FeF_(6)|` ?

A

`3.87` BM

B

`4.89` BM

C

`5.91` BM

D

`6.92` BM

Text Solution

Verified by Experts

`K_(3)|FeF_(6)|, Fe^(3+) = |Ar|3d^(5)4s^(0)`

Number of unpaired electrons = `sqrt(n(n+2))`
`= sqrt(35)=5.9`
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