43. The magnetic moment is associated with its spin angular momentum and orbital angular momentum. Spin only magnetic moment value of Cr3+ion is
(A) 2.87 B.M.
(B) 3.87 B.M.
(C) 3.47 B.M.
(D) 3.57 B.M.
43. The magnetic moment is associated with its spin angular momentum and orbital angular momentum. Spin only magnetic moment value of Cr3+ion is
(A) 2.87 B.M.
(B) 3.87 B.M.
(C) 3.47 B.M.
(D) 3.57 B.M.
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1 Answer
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43. (B) 3.87 B.M.
Cr → (Z = 24)
Cr3 + → (Z = 21)
1s2 2s2 2p6 3s2 3p6 3d3 4s0
n = 3 ( 3 unpaired electrons )
μ =
μ =
μ =
μ =
= 3.87 B.M.
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