Question

Calculate the magnetic moment of a divalent ion in aqueous solution its atomic number is 25.

Solution

Electronic configuration of Mn is 4s² 3d⁵ in its divalent state maganese loose electron form s orbital thus it have five unpaired electron.With d⁵configuration (five unpaired electrons). The magnetic moment, p is

μ = \sqrt{n (n + 2)} Where n is unpaired electron

μ = \sqrt{5 (5 + 2)} = 5.92 BM .

μ = \sqrt{5 (5 + 2)} = 5.92 BM .

Some More Questions From The d-And-f-Block Elements Chapter

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The D-And-f-Block Elements

Calculate the magnetic moment of a divalent ion in aqueous solution its atomic number is 25.

Some More Questions From The d-And-f-Block Elements Chapter

Explain why Cu⁺ ion is not stable in aqueous solutions?

Actinoid contraction is greater from element to element than lanthanoid contraction. Why?

On what ground can you say that scandium (Z = 21) is a transition element but zinc (Z = 30) is not?

The outer electronic configuration of copper is 3d¹⁰ 4s¹, yet it is considered transition element. Why?

Why the melting points of transition elements are high?

Why Zn, Cd and Hg are not regarded as transition elements?

Name the first element of 3rd transition series.

Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?

Why are transition elements so named?

Why are transition elements known as d-block elements?

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For Daily Free Study Material Join wiredfaculty

The D-And-f-Block Elements

Calculate the magnetic moment of a divalent ion in aqueous solution its atomic number is 25.

Some More Questions From The d-And-f-Block Elements Chapter

Explain why Cu+ ion is not stable in aqueous solutions?

Actinoid contraction is greater from element to element than lanthanoid contraction. Why?

On what ground can you say that scandium (Z = 21) is a transition element but zinc (Z = 30) is not?

The outer electronic configuration of copper is 3d10 4s1, yet it is considered transition element. Why?

Why the melting points of transition elements are high?

Why Zn, Cd and Hg are not regarded as transition elements?

Name the first element of 3rd transition series.

Though copper, silver and gold have completely filled sets of d-orbitals yet they are considered as transition metals. Why?

Why are transition elements so named?

Why are transition elements known as d-block elements?

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Explain why Cu⁺ ion is not stable in aqueous solutions?

The outer electronic configuration of copper is 3d¹⁰ 4s¹, yet it is considered transition element. Why?