The total number of stereoisomers for the com | vedclass

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(B) The complex $[Cr(ox)_2ClBr]^{3-}$ is of the type $[M(AA)_2a_2]$ where $AA$ is a bidentate ligand (oxalate) and $a$ represents monodentate ligands

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$3$

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(B) The complex $[Cr(ox)_2ClBr]^{3-}$ is of the type $[M(AA)_2a_2]$ where $AA$ is a bidentate ligand (oxalate) and $a$ represents monodentate ligands ($Cl^-$ and $Br^-$).$1$. Geometrical Isomerism: There are two geometrical isomers:- $trans$-isomer: The two monodentate ligands ($Cl$ and $Br$) are at $180^{\circ}$ to each other. This isomer has a plane of symmetry and is optically inactive.- $cis$-isomer: The two monodentate ligands ($Cl$ and $Br$) are at $90^{\circ}$ to each other. This isomer lacks a plane of symmetry and is chiral.$2$. Optical Isomerism: The $cis$-isomer exists as a pair of enantiomers ($d$ and $l$ forms).Total stereoisomers = $1$ $(trans)$ + $2$ ($cis$-$d$ and $cis$-$l$) = $3$.

The total number of stereoisomers for the complex $[Cr(ox)_2ClBr]^{3-}$ (where $ox$ = oxalate) is:

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