Practice question

MCQ

Question

Which of the following complexes has a fac-isomer?

Options

Choose one · Correct answer highlighted

[Cr(H₂O)4Cl₂]+ [Ni(NH₃)4]2+ [Cr(H₂O)3Cl₃] Correct [Fe(CN)6]4−

Explanation

[Cr(H₂O)3Cl₃] (octahedral, [Ma₃b3]) can have a facial (fac) isomer where 3 Cl− ligands occupy one face.

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