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Chemistry Question on coordination compounds

[Co(NH)3)4(NO2)2]Cl[Co(NH)_3)_4(NO_2)_2]Cl exhibits :-

A

Linkage isomerism, geometrical isomerism and optical isomerism

B

Linkage isomerism, ionisation isomerism and optical isomerism

C

Linkage isomerism, ionisation isomerism and geometrical isomerism

D

Ionisation isomerism, geometrical isomerism and optical isomerism

Answer

Linkage isomerism, ionisation isomerism and geometrical isomerism

Explanation

Solution

The compound [Co(NH3)4(NO2)2]Cl[Co(NH_3)_4(NO_2)_2]Cl exhibits linkage, ionisation and geometrical isomerism.

Hence,

(i) its linkage isomers are

[Co(NH3)4(NO2)2]Cland[Co(NH3)4(ONO)2]Cl[Co (NH_3)_4 (NO_2)_2 ] Cl and [Co(NH_3)_4 (ONO)_2 ]Cl

(ii) its ionisation isomers are

[Co(NH3)4(NO2)Cl]NO2and[Co(NH3)4(NO2)2]Cl[Co (NH_3)_4(NO_2)Cl]NO_2 and [Co(NH_3)_4(NO_2)_2 ]Cl

(iii) its geometrical isomers are