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Q.
Geometrical isomerism is found in coordination compounds having coordination number:
Coordination Compounds
Solution:
Geometrical isomerism is found in compound having coordination no. 4 (square planar and not tetrahedral shape) as well as coordination no. 6
Coordination no. 4 (square planar) $M_{A_2BC}. M_{A_2B_2}$
Showing geometrical isomerism $M_{ABCD}$
Coordination no. 6 (octahedral) m a $M_{A_4B_2} . M_{A_4BC}$
Showing geometrical isomerism Ma $M_{A_3B_3} . M_{\left(AA\right)_2B_2}$