Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: Coordination Compounds

Question:

Which of the following has minimum magnetic moment?

Options:

V2+

Mn2+

Ni2+

Cr3+

Correct Answer:

Ni2+

Explanation:

Ni2+ has minimum magnetic moment.

Ni2+: [Ar]3d8

No of unpaired electrons: 2

Magnetic moment, u = \(\sqrt{n(n+2)}\) = \(\sqrt{2(2+2)}\) = \(\sqrt{8}\) = 2.8 B.M.