Which of the following compound(s) exhibit ge | vedclass

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(D) Geometrical isomerism in coordination compounds is observed when ligands can occupy different positions around the central metal atom.$(i) [Pt(en)

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$(iii)$ and $(iv)$

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(D) Geometrical isomerism in coordination compounds is observed when ligands can occupy different positions around the central metal atom.$(i) [Pt(en)Cl_2]$: This 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.$(ii) [Pt(en)_2]Cl_2$: This is a square planar complex of the type $[M(AA)_2]$. It does not show geometrical isomerism.$(iii) [Pt(en)_2Cl_2]Cl_2$: This is an octahedral complex of the type $[M(AA)_2X_2]$. It exhibits geometrical isomerism (cis and trans forms).$(iv) [Pt(NH_3)_2Cl_2]$: This is a square planar complex of the type $[MA_2X_2]$. It exhibits geometrical isomerism (cis and trans forms).Therefore,$(iii)$ and $(iv)$ exhibit geometrical isomerism.

Which of the following compound$(s)$ exhibit geometrical isomerism?
$(i) [Pt(en)Cl_2]$
$(ii) [Pt(en)_2]Cl_2$
$(iii) [Pt(en)_2Cl_2]Cl_2$
$(iv) [Pt(NH_3)_2Cl_2]$

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Which of the following compound$(s)$ exhibit geometrical isomerism?$(i) [Pt(en)Cl_2]$$(ii) [Pt(en)_2]Cl_2$$(iii) [Pt(en)_2Cl_2]Cl_2$$(iv) [Pt(NH_3)_2Cl_2]$