Which of the following complex ions exhibits | vedclass

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(C) Geometrical isomerism in coordination compounds is observed when ligands can be arranged in different spatial configurations around the central me

Vedclass · Accepted Answer

$[Co(NH_3)_2(en)_2]^{3+}$

Vedclass · Answer

(C) Geometrical isomerism in coordination compounds is observed when ligands can be arranged in different spatial configurations around the central metal ion.For octahedral complexes of the type $[M(AA)_2a_2]^{n+}$,geometrical isomerism exists in the form of $cis$ and $trans$ isomers.In the complex $[Co(NH_3)_2(en)_2]^{3+}$,the two $NH_3$ ligands can be adjacent $(cis)$ or opposite $(trans)$ to each other,thus exhibiting geometrical isomerism.$[Co(en)_3]^{3+}$ is a tris-chelate complex which shows optical isomerism but not geometrical isomerism.$[Ni(NH_3)_5Br]^{+}$ is a pentammine complex which does not show geometrical isomerism.$[Cr(NH_3)_4(en)]^{3+}$ is of the type $[M(AA)a_4]^{n+}$,which does not exhibit geometrical isomerism.

Which of the following complex ions exhibits geometrical isomerism?

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