Answer
Cis-trans isomerism occurs in square planar complexes of the general formula MA$_{2}$B$_{2}$ or octahedral complex of the general formula MA$_{2}$B$_{2}$.
Work Step by Step
Cis-trans isomerism occurs in square planar complexes of the general formula MA$_{2}$B$_{2}$ or octahedral complex of the general formula MA$_{2}$B$_{2}$.
