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Q.
The octahedral complex/complex ion which shows both facial and meridional isomers is
NTA AbhyasNTA Abhyas 2020Coordination Compounds
Solution:
Complexes of the type $\left[M \left(a a\right)_{2} a_{2}\right]$ show geometrical or fac-mer isomerism. (where, aa = bidentate ligand and a is monodentate ligand.) Among the given, dichlorodiglycinato cobalt (III), I.e., $\left[C o C l_{2} \left(g l y\right)_{2}\right]$ is such salt, so it will show fac and mer isomerism.