[Fe(H_2O)_6]^ 2+ and [Fe(CN)_6]^ 4- differ in

JEE Advanced Chemistry question

and differ in

(A)geometry, magnetic moment
(B)Magnetic moment and colourCorrect
(C)Geometry and hybridization
(D)None of the above

Answer: (B)

Solution

Both are octahedral () complexes, so they share the same geometry. However, is a weak-field ligand, giving the high-spin configuration (, 4 unpaired electrons), while is a strong-field ligand,

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Question ID VK-160043