Which of the following complexes is expected to exhibit facial (fac) and meridional (mer) isomerism? | Coordination Compounds — Chem-Mantra | Chem-Mantra

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Question

Which of the following complexes is expected to exhibit facial (fac) and meridional (mer) isomerism?

Answer: B

💡 Solution & Explanation

$Ma_3b_3$ type octahedral complexes exhibit facial and meridional isomerism. $[Co(NH_3)_3(NO_2)_3]$ fits this formula perfectly [1, 54].

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