A reaction of cobalt (III) chloride and ethyl | vedclass

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(A) The reaction of cobalt $(III)$ chloride with ethylenediamine in a $1:2$ mole ratio produces the complex $[Co(en)_2Cl_2]Cl$.This complex exhibits g

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Geometrical isomers

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(A) The reaction of cobalt $(III)$ chloride with ethylenediamine in a $1:2$ mole ratio produces the complex $[Co(en)_2Cl_2]Cl$.This complex exhibits geometrical isomerism,existing as $cis$ and $trans$ forms.The $cis$-isomer $(A)$ is violet-coloured and is optically active because it lacks a plane of symmetry.The $trans$-isomer $(B)$ is green-coloured and is optically inactive due to the presence of a plane of symmetry.Therefore,$A$ and $B$ represent geometrical isomers.

$A$ reaction of cobalt $(III)$ chloride and ethylenediamine in a $1:2$ mole ratio generates two isomeric products $A$ (violet coloured) and $B$ (green coloured). $A$ can show optical activity,but $B$ is optically inactive. What type of isomers do $A$ and $B$ represent?

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