Facial (fac) and meridional (mer) isomerism is a specific type of geometrical isomerism exclusively exhibited by octahedral complexes of the general formula:

Question

Prashant Kotian · Accepted Answer

Correct answer: B. Complexes of the type (e.g., ) can arrange the three identical ligands either on the same face of the octahedron (facial) or around the meridian of the octahedron (meridional).

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