The correct order of spin only magnetic moments for the following complex ions is (A) [MnBr4]2–

Question

The correct order of spin only magnetic moments for the following complex ions is

(A) [MnBr4]2– < [CoF6]3– < [Fe(CN)6]3– < [Mn(CN)6]3–
(B) [CoF6]3– < [MnBr4]2– < [Fe(CN)6]3– < [Mn(CN)6]3–
(C) [Fe(CN)6]3– < [CoF6]3– < [MnBr4]2– < [Mn(CN)6]3–
(D) Fe(CN)6]3– < [Mn(CN)6]3– < [CoF6]3– < [MnBr4]2–

Prashant Kotian · Accepted Answer

Correct answer: D. [Fe(CN)6]3–  3d5   SFL ,2 ,2 g 2t , g e n = 1 [Mn(CN)6]3–  3d4   SFL ,1 ,2 g 2t , g e n = 2 [CoF6]3–  3d6     WSFL ,1 ,2 g 2t ,1 g e n = 4 [MnBr4]2–  3d5 ] N . C [ l Tetrahedra WSFL       , g e , ,1 ,1 g 2t n = 5

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