Which of the following complexes has a fac-isomer?
[Cr(H₂O)3Cl₃] (octahedral, [Ma₃b3]) can have a facial (fac) isomer where 3 Cl− ligands occupy one face.
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Isomerism - Optical Isomerism and Linkage Ionisation Solvate