Which of the following will not show geometri | vedclass

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(C) Geometrical isomerism is shown by coordination complexes that have different spatial arrangements of ligands around the central metal atom.For oct

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$[Co(NH_3)_5 NO_2]Cl_2$

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(C) Geometrical isomerism is shown by coordination complexes that have different spatial arrangements of ligands around the central metal atom.For octahedral complexes of the type $[MA_4B_2]$,geometrical isomerism (cis and trans) is possible.For octahedral complexes of the type $[MA_5B]$,geometrical isomerism is $NOT$ possible because all positions are equivalent relative to the unique ligand $B$.In $[Co(NH_3)_5 NO_2]Cl_2$,the complex ion is $[Co(NH_3)_5 NO_2]^{2+}$,which is of the type $[MA_5B]$.Therefore,it does not exhibit geometrical isomerism.

Which of the following will not show geometrical isomerism?

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