Question

The type of isomerism shown by the complex $\left[CoC{l}_2\right(en{)}_2]$ is

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• A. Geometrical isomerism
• B. Linkage isomerism
• C. Coordination isomerism
• D. Ionisation isomerism

Answer 1

The correct option is A Geometrical isomerism

In $\left[CoC{l}_2\right(en{)}_2]$, coordination number of $Co$ is 6 and this compound has octahedral geometry.



$\bullet$ As per option, type of isomerism is geometrical isomerism.

The given complex is neutral so it does not have ionisation isomerism and coordination isomerism.

$Cl$ and $en$ are not ambidentate ligands so the complex does not show linkage isomerism.

Hence, option (a) is correct.