NEETChemistry-Coordination Compounds

NEET Chemistry Magnetic Properties MCQ Question

Type: MCQ-numerical-Medium-Class 12

The calculated spin only magnetic moment of Cr²⁺ ion is

A

87 B.M.

B

90 B.M.

C

5.92 B.M.

D

84 B.M.

Correct Answer

Option B

Detailed Explanation

Cr²⁺ has 4 unpaired electrons, and the spin-only magnetic moment is calculated using the formula μ = √(n(n+2)) B.M., where n is the number of unpaired electrons.

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