JEE Mains Chemistry Past PapershardMCQ SINGLE

The d-orbital electronic configuration of the complex among [Co(en)3]3+, [CoF6]3–, [Mn(H2O)6]2+ and JEE Mains Chemistry Past Papers Chemistry Question

Question

The d-orbital electronic configuration of the complex among [Co(en)3]3+, [CoF6]3–, [Mn(H2O)6]2+ and [Zn(H2O)6]2+ that has the highest CFSE is : (A) g g 2 e t (B) g g 2 e t (C) g g 2 e t (D) g g 2 e t

Answer: B

💡 Solution & Explanation

Co3+ (d6) with strong field ligand has maximum magnitude of CFSE = –2.40 + 2P (0 > P) & electronic configuration , , g 2t , , g e .

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