1.

For the tetrahedral complex [MnBr_(4)]^(2-) the spin only magnetic moment value is…. (Atomic No.Of Mn=25)

Answer»

1.7
5.9
4.8
2.4

Solution :Oxidation number is `+2(MN^(+2))` in `[MnBr_(4)]^(2-)`
`:. 5` unpaired ELECTRONS in `Mn^(+2)`
`:. mu= sqrt(5(5+2))BM = 5.9`


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