The IUPAC name for the complex [Co(NO_2)(NH_3 | vedclass

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(B) $1$. Identify the oxidation state of the central metal atom $Co$: Let the oxidation state be $x$. The complex is $[Co(NO_2)(NH_3)_5]Cl_2$. The cha

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pentaamminenitrito-$N$-cobalt$(III)$ chloride

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(B) $1$. Identify the oxidation state of the central metal atom $Co$: Let the oxidation state be $x$. The complex is $[Co(NO_2)(NH_3)_5]Cl_2$. The charge on $NO_2^-$ is $-1$,$NH_3$ is $0$,and $Cl^-$ is $-1$. Thus,$x + (-1) + 5(0) + 2(-1) = 0$,which gives $x - 3 = 0$,so $x = +3$.$2$. Name the ligands: There are $5$ ammonia ligands $(ammine)$ and $1$ nitro ligand $(nitrito-N)$.$3$. Assemble the name: Ligands are named in alphabetical order: $ammine$ comes before $nitrito-N$. So,it is pentaammine.$4$. Combine: The name is pentaamminenitrito-$N$-cobalt$(III)$ chloride.

The $IUPAC$ name for the complex $[Co(NO_2)(NH_3)_5]Cl_2$ is:

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