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The type of isomerism shown by the compl...

The type of isomerism shown by the complex `[CoCl_(2)(en)_(2)]` is

A

ionisation isomerism

B

coordination isomerism

C

geometrical isomerism

D

linkage isomerism

Text Solution

Verified by Experts

The correct Answer is:
C
Isomers in which the atoms or ligands occupy different positions around central metal/ion are called geometrical isomers. Complexes having coorination number of central atom/ion 6 with formula `M(A A)_(2)B_(2)` exhibit geometrical isomerism [where, AA is a bidentate ligand]. In `[CoCl_(2)("en")_(2)],[CoCl_(2)("en")_(2)]`, coordination number of Co is 6 with octahedral geometry.

Thus, `[CoCl_(2)("en")_(2)]` show geometrical isomerism.
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