Identify the types of isomers shown in the st | vedclass

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(A) The given structures represent the geometrical isomers of the octahedral complex $[Co(NH_3)_3Cl_3]$.In structure $(i)$,the three identical ligands

Vedclass · Accepted Answer

$i$. fac-Isomer,$ii$. mer-Isomer

Vedclass · Answer

(A) The given structures represent the geometrical isomers of the octahedral complex $[Co(NH_3)_3Cl_3]$.In structure $(i)$,the three identical ligands ($NH_3$ or $Cl$) occupy the corners of one triangular face of the octahedron. This is known as the facial $(fac)$ isomer.In structure $(ii)$,the three identical ligands lie in a plane passing through the metal atom,forming a meridian. This is known as the meridional $(mer)$ isomer.Therefore,$(i)$ is the $fac$-isomer and $(ii)$ is the $mer$-isomer.

Complex Ion	Label
$[Mn(CN)_6]^{3-}$	$A$
$[Fe(CN)_6]^{3-}$	$B$
$[CoF_6]^{3-}$	$C$
$[Co(C_2O_4)_3]^{3-}$	$D$

Identify the types of isomers shown in the structures $(i)$ and $(ii)$:

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