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(B) Geometrical isomerism in coordination compounds occurs when ligands can be arranged in different spatial orientations around the central metal ato

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$(C, D)$

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(B) Geometrical isomerism in coordination compounds occurs when ligands can be arranged in different spatial orientations around the central metal atom.$A$. $[Pt(en)Cl_2]$ is a square planar complex of the type $[M(AA)X_2]$. It does not show geometrical isomerism because the chelating ligand $(en)$ occupies adjacent positions,and the two $Cl$ ligands are also adjacent.$B$. $[Pt(en)_2]Cl_2$ is a square planar complex of the type $[M(AA)_2]$. It does not show geometrical isomerism as all possible arrangements are identical.$C$. $[Pt(en)_2Cl_2]Cl_2$ is an octahedral complex of the type $[M(AA)_2X_2]$. It exhibits geometrical isomerism,existing as $cis$ and $trans$ isomers.$D$. $[Pt(NH_3)_2Cl_2]$ is a square planar complex of the type $[MA_2X_2]$. It exhibits geometrical isomerism,existing as $cis$ and $trans$ isomers.Thus,compounds $C$ and $D$ exhibit geometrical isomerism.

The compound$(s)$ that exhibit$(s)$ geometrical isomerism is(are):
$A$. $[Pt(en)Cl_2]$
$B$. $[Pt(en)_2]Cl_2$
$C$. $[Pt(en)_2Cl_2]Cl_2$
$D$. $[Pt(NH_3)_2Cl_2]$

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The compound$(s)$ that exhibit$(s)$ geometrical isomerism is(are):$A$. $[Pt(en)Cl_2]$$B$. $[Pt(en)_2]Cl_2$$C$. $[Pt(en)_2Cl_2]Cl_2$$D$. $[Pt(NH_3)_2Cl_2]$