If magnetic moment of [MnBr_(4)]^(2-) is 5.9 BM. Predict the number of – InterviewSolution

1.	If magnetic moment of [MnBr_(4)]^(2-) is 5.9 BM. Predict the number of electrons?
Answer» 2 3 6 5 Solution :MAGNETIC MOMENT can be calculated by using the relation `sqrt(n(n+2)B.M.)` where n=number of ELECTRONS and B.M. is Bohr MAGNETON. `therefore 5.9=sqrt(n(n+2))` `therefore n=5`.

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