The type of isomerism shown by the complex $\left[ {{\rm{Co}}\,{\rm{C}}{{\rm{l}}_{\rm{2}}}\,{{\left( {{\rm{en}}} \right)}_{\rm{2}}}} \right]$ is

NEET UG CHEMISTRY MCQ: CO-ORDINATION COMPOUNDS

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The type of isomerism shown by the complex

\left[ {\mathrm{Co}\,\mathrm{C}{\mathrm{l}_\mathrm{2}}\,{{\left( {\mathrm{en}} \right)}_\mathrm{2}}} \right]

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Correct option: B

Geometrical isomerism

Option B is correct. The complex exhibits geometrical isomerism because the two chloride ligands and two ethylenediamine ligands can be arranged in cis or trans configurations.

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The complexes

\left[ {\mathrm{PtC}{\mathrm{l}_2}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_4}} \right]\mathrm{B}{\mathrm{r}_2}\mathrm{\;and\;}\left[ {\mathrm{PtB}{\mathrm{r}_2}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_4}} \right]\mathrm{C}{\mathrm{l}_2}\mathrm{\;}

are example for isomerism The total number of stereoisomers for the complex

\left[\mathrm{Cr}(\mathrm{Ox})_{2} \mathrm{ClBr}\right]^{3-}

(where

\text{ox =}

oxalate) is The value of

x

on the

{\left[ {\mathrm{Ni}{{\left( {\mathrm{CN}} \right)}_4}} \right]^x}

is: Excited state configuration of

\mathrm{M}{\mathrm{n}^{2 + }}

\mathrm{CuS}{\mathrm{O}_4}

decolourises on addition of KCN, the product is: The IUPAC name of

{\mathrm{K}_2}\left[ {\mathrm{Ni}{{\left( {\mathrm{CN}} \right)}_4}} \right]