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Calculate Magnetic Moment of - Chemistry

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Calculate magnetic moment of  `Fe_((aq))^(2+) ion (Z=26).`

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Solution

Data: Fe2+

Z=26

Electronic configuration of 

`Fe^(2+)=1s^2 2s^2 2p^6 3s^2 3p^6 4s^@3d^6`

No. of unpaired electrons = 4

To find: Magnetic moment = u

Formula: `u=sqrt(n(n+2))B.M.`

Solution: `u=sqrt(4(4+2))`

`=sqrt24`

u = 4.90 B.M.

Concept: General Properties of the Transition Elements (D-block)
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