MHT CET 2025 Chemistry question

Which from following cations will form most stable complex with same ligand?

(A)Correct
(B)
(C)
(D)

Answer: (A)

Solution

For divalent first-row transition metal ions the stability of complexes with a given ligand follows the Irving-Williams order: Mn^{2+} < Fe^{2+} < Co^{2+} < Ni^{2+} < Cu^{2+} > Zn^{2+}. This follows from decreasing

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Question ID VK-101916