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AIIMS2010Chemistry-Coordination Compounds

AIIMS 2010 Chemistry Magnetic Properties Match the Following Question

Type: Match the Following-conceptual-Medium-Class 12

Match list I with list II and select the correct answer using the codes given below the lists.

Metal ionMagnetic moment(BM)
(A) Cr³⁺(1) √35
(B) Fe²⁺(2) √30
(C) Ni²⁺(3) √24
(D) Mn²⁺(4) √15
(5) √8
A

A−1A^{-1}, B−3B^{-3}, C−5C^{-5}, D−4D^{-4}

B

A−2A^{-2}, B−3B^{-3}, C−5C^{-5}, D−1D^{-1}

C

A−4A^{-4}, B−3B^{-3}, C−5C^{-5}, D−1D^{-1}

D

A−4A^{-4}, B−5B^{-5}, C−3C^{-3}, D−1D^{-1}

Correct Answer

Option C

Detailed Explanation

For Cr³⁺ = 3d³, μ = √(3(3 + 2)) = √15 B.M. For Fe²⁺ = 3d⁶, μ = √(4(4 + 2)) = √24 B.M. For Ni²⁺ = 3d⁸, μ = √(2(2 + 2)) = √8 B.M. For Mn²⁺ = 3d⁵, μ = √(5(5 + 2)) = √35 B.M.

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