Number of stereoisomers exhibited by [Co(en)_ | vedclass

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(D) The complex $[Co(en)_{2} Cl_{2}]^{+}$ exhibits geometrical isomerism and optical isomerism.$1$. Geometrical isomerism: It exists in two forms,the

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$3$

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(D) The complex $[Co(en)_{2} Cl_{2}]^{+}$ exhibits geometrical isomerism and optical isomerism.$1$. Geometrical isomerism: It exists in two forms,the $cis$-isomer and the $trans$-isomer.$2$. Optical isomerism: The $cis$-isomer is optically active and exists as a pair of enantiomers ($d$ and $l$ forms),while the $trans$-isomer is optically inactive (achiral) due to the presence of a plane of symmetry.Therefore,the total number of stereoisomers is $2$ (from $cis$-enantiomers) $+ 1$ (from $trans$-isomer) $= 3$.

Number of stereoisomers exhibited by $[Co(en)_{2} Cl_{2}]^{+}$ is

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