Which of the following types of isomerism is | vedclass

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(A) The complex $[Co(NH_3)_5(NO_2)](NO_3)_2$ does not exhibit optical isomerism because it possesses a plane of symmetry.Linkage isomerism is exhibite

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$ii, iii$ only

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(A) The complex $[Co(NH_3)_5(NO_2)](NO_3)_2$ does not exhibit optical isomerism because it possesses a plane of symmetry.Linkage isomerism is exhibited due to the ambidentate ligand $NO_2^-$,which can coordinate through $N$ or $O$ (forming $[Co(NH_3)_5(NO_2)]^{2+}$ and $[Co(NH_3)_5(ONO)]^{2+}$).Ionization isomerism is exhibited because the $NO_2^-$ ligand inside the coordination sphere can exchange with the $NO_3^-$ ion outside the sphere (forming $[Co(NH_3)_5(NO_2)](NO_3)_2$ and $[Co(NH_3)_5(NO_3)](NO_2)(NO_3)$).Coordination isomerism requires both cationic and anionic entities to be coordination complexes,which is not the case here.Therefore,the complex exhibits linkage and ionization isomerism.

Which of the following types of isomerism is exhibited by $[Co(NH_3)_5(NO_2)](NO_3)_2$?
$i$. Optical
$ii$. Linkage
$iii$. Ionization
$iv$. Coordination

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Which of the following types of isomerism is exhibited by $[Co(NH_3)_5(NO_2)](NO_3)_2$? $i$. Optical $ii$. Linkage $iii$. Ionization $iv$. Coordination