1.

Which of the following is the correct order for theoretical magnetic moment?

Answer»

`CR^(3+) = MN^(2+) lt Fe^(3+)`
`Cr^(3+) lt Mn^(2+) lt Fe^(3+)`
`Cr^(3+) lt Mn^(2+) = Fe^(3+)`
`Cr^(3+) gt Mn^(2+) = Fe^(3+)`

SOLUTION :`Cr^(+3) = 3D^(3)` 3 unpaired electrons
`Mn^(+2) = 3d^(5)` 5 unpaired electrons
`Fe^(+3) = 3d^(5)` 5 unpaired electrons


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