Question

which of the following forms most stable aqua octahedral complex ion. a. Mn 2+ b. Fe2 + c. Co 2+ d. Ni 2+​

Answer 1

Answer:

your option a.Mn 2+. due to half filled of d-orbital.

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Answer 2

H20 is a weak field ligands

Hence Mn2+ will be more stable due to half filled d orbitals

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