Which of the following can show geometrical i | vedclass

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(A) Geometrical isomerism is shown by coordination complexes that can exist in different spatial arrangements of ligands around the central metal ion.

Vedclass · Accepted Answer

Both $(b)$ and $(c)$

Vedclass · Answer

(A) Geometrical isomerism is shown by coordination complexes that can exist in different spatial arrangements of ligands around the central metal ion.$1$. The complex $[Co(en)_2 NH_3Cl]^{2+}$ is of the type $[M(AA)_2 a b]$,where $en$ is a bidentate ligand. It can exist in $cis$ and $trans$ forms,where the $NH_3$ and $Cl^-$ ligands are either adjacent $(cis)$ or opposite $(trans)$ to each other.$2$. The complex $[Pt(bn)_2]^{2+}$ (where $bn$ is $2,3-diaminobutane$,i.e.,$NH_2-CH(CH_3)-CH(CH_3)-NH_2$) is of the type $[M(AA)_2]$. Due to the presence of chiral centers in the ligand,it can show geometrical isomerism ($cis$ and $trans$ forms) as shown in the provided structures.Since both complexes exhibit geometrical isomerism,the correct option is $(A)$.

Which of the following can show geometrical isomerism?

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