The magnetic moment of a transition meta

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Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: Coordination Compounds

Question:

The magnetic moment of a transition metal of 3d series is $\sqrt {35}$ B.M. What will be its electronic configuration?

Options:

3d⁴4s²

3d⁵4s²

3d⁶4s²

3d¹4s²

Correct Answer:

3d⁵4s²

Explanation:

₂₅Mn : [Ar]4s²3d⁵

Magnetic moment, u = $\sqrt {n(n+2)}$

no of unpaired electrons = 5

u = $\sqrt {5(5+2)}$ = $\sqrt {35}$B.M.