The complex cation which has two isomers is: [2023]

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Solution

Q.
The complex cation which has two isomers is: [2023]

1 ${[Co {(H_{2} O)}_{6}]}^{3 +}$

2 ${[Co {({NH}_{3})}_{5} Cl]}^{+}$

3 ${[Co {({NH}_{3})}_{5} {NO}_{2}]}^{2 +}$

4 ${[Co {({NH}_{3})}_{5} Cl]}^{2 +}$

Ans.
(3)

${[Co {({NH}_{3})}_{5} ({NO}_{2})]}^{2 +}$ will show structural isomerism i.e. linkage isomerism as ${NO}_{2}^{-}$ is an ambidentate ligand.

${NO}_{2}^{-} \to$ nitrito-N

${ONO}^{-} \to$ nitrito-O

Solution

Q. The complex cation which has two isomers is: [2023]

1 [Co(H2O)6]3+

2 [Co(NH3)5Cl]+

3 [Co(NH3)5NO2]2+

4 [Co(NH3)5Cl]2+

Ans. (3) [Co(NH3)5(NO2)]2+ will show structural isomerism i.e. linkage isomerism as NO2- is an ambidentate ligand. NO2-→ nitrito-N ONO-→ nitrito-O

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Q.
The complex cation which has two isomers is: [2023]

1 ${[Co {(H_{2} O)}_{6}]}^{3 +}$

2 ${[Co {({NH}_{3})}_{5} Cl]}^{+}$

3 ${[Co {({NH}_{3})}_{5} {NO}_{2}]}^{2 +}$

4 ${[Co {({NH}_{3})}_{5} Cl]}^{2 +}$

Ans.
(3)

${[Co {({NH}_{3})}_{5} ({NO}_{2})]}^{2 +}$ will show structural isomerism i.e. linkage isomerism as ${NO}_{2}^{-}$ is an ambidentate ligand.

${NO}_{2}^{-} \to$ nitrito-N

${ONO}^{-} \to$ nitrito-O