Magnetic moment of manganese in ${\left( {{\rm{N}}{{\rm{H}}_4}} \right)_2}{\rm{MnB}}{{\rm{r}}_2}$ is

NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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Magnetic moment of manganese in

{\left( {\mathrm{N}{\mathrm{H}_4}} \right)_2}\mathrm{MnB}{\mathrm{r}_2}

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Correct option: B

5.91 BM

Option B (5.91 BM) is correct because in (NH4)2MnBr2, Mn is in the +2 oxidation state with a d5 configuration, leading to 5 unpaired electrons and a magnetic moment of approximately 5.92 BM.

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