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(C) Optical activity in coordination complexes is observed when the complex lacks a plane of symmetry or center of inversion (i.e.,it is chiral).$1$.

Vedclass · Accepted Answer

$[Co(EDTA)]^- , [Co(en)_3]Cl_3$

Vedclass · Answer

(C) Optical activity in coordination complexes is observed when the complex lacks a plane of symmetry or center of inversion (i.e.,it is chiral).$1$. $[Co(EDTA)]^-$: The $EDTA^{4-}$ ligand is hexadentate and creates a chiral environment around the $Co^{3+}$ ion,making the complex optically active.$2$. $[Co(en)_3]Cl_3$: The tris(ethylenediamine)cobalt$(III)$ ion has $D_3$ symmetry and lacks any plane of symmetry,making it optically active.Both complexes in option $C$ are chiral and exhibit optical activity.

Which of the following pairs of complexes both show optical activity?

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