NEETChemistry-Coordination Compounds

NEET Chemistry Electronic Configuration MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which of the following statements is correct about [Co(H₂O)₆]²⁺ complex?

A

Electronic configuration = 3d⁷ t₂g⁶ e₀, no. of unpaired electrons = 3, μ = 3.87 B.M.

B

Electronic configuration = 3d⁶ t₂g⁶ e₂, no. of unpaired electrons = 2, μ = 2.87 B.M.

C

Electronic configuration = 3d⁷ t₂g⁶ e₁, no. of unpaired electrons = 1, μ = 2.87 B.M.

D

Electronic configuration = 3d⁷ t₂g⁵ e₂, no. of unpaired electrons = 3, μ = 3.87 B.M.

Correct Answer

Option D

Detailed Explanation

The correct electronic configuration for Co²⁺ is 3d⁷, with 3 unpaired electrons.

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