Which of the following has maximum magne

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Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: Coordination Compounds

Question:

Which of the following has maximum magnetic moment?

Options:

V²⁺

Mn²⁺

Ni²⁺

Cr³⁺

Correct Answer:

Mn²⁺

Explanation:

₂₅Mn : [Ar]4s²3d⁵

Mn²⁺ : [Ar]3d⁵

No of unpaired electrons: 5

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

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