Select the correct code about complex [Cr(NO_ | vedclass

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(B) $(I)$ The $IUPAC$ name is pentaamminenitrito$-N$-chromium$(III)$ tetrachlorozincate$(II)$. This statement is correct.$(II)$ The complex does not e

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$I, III$ and $IV$

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(B) $(I)$ The $IUPAC$ name is pentaamminenitrito$-N$-chromium$(III)$ tetrachlorozincate$(II)$. This statement is correct.$(II)$ The complex does not exhibit geometrical isomerism because the coordination sphere $[Cr(NO_2)(NH_3)_5]^{2+}$ has five identical ligands $(NH_3)$ and one different ligand $(NO_2^-)$,which cannot form cis-trans isomers. This statement is incorrect.$(III)$ It shows linkage isomerism due to the presence of the ambidentate ligand $NO_2^-$,which can coordinate through $N$ or $O$. This statement is correct.$(IV)$ It shows coordination isomerism because both the cationic and anionic parts are complex ions,allowing for the exchange of ligands between them. This statement is correct.

$[Ni(H_2O)_6]^{2+} : en$ molar ratio	Colour of the product
$A. 1:1$	$I. \text{Pale blue}$
$B. 1:2$	$II. \text{Blue/Purple}$
$C. 1:3$	$III. \text{Violet}$

Select the correct code about complex $[Cr(NO_2)(NH_3)_5][ZnCl_4]$:
$(I)$ $IUPAC$ name of compound is pentaamminenitrito$-N$-chromium$(III)$ tetrachlorozincate$(II)$
$(II)$ It shows geometrical isomerism
$(III)$ It shows linkage isomerism
$(IV)$ It shows coordination isomerism

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Select the correct code about complex $[Cr(NO_2)(NH_3)_5][ZnCl_4]$:$(I)$ $IUPAC$ name of compound is pentaamminenitrito$-N$-chromium$(III)$ tetrachlorozincate$(II)$$(II)$ It shows geometrical isomerism$(III)$ It shows linkage isomerism$(IV)$ It shows coordination isomerism