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.

List-$I$ (Complex ion)	List-$II$ (Calculated spin only magnetic moment $(BM)$)
$A$. $[Cr(H_2O)_6]^{2+}$	$I$. $3.87$
$B$. $[Co(H_2O)_6]^{2+}$	$II$. $5.92$
$C$. $[Cu(H_2O)_6]^{2+}$	$III$. $4.90$
$D$. $[Mn(H_2O)_6]^{2+}$	$IV$. $1.73$

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