The IUPAC name of [Cr(NH_3)_4 Cl_2] NO_3 is . | vedclass

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(C) $1$. Identify the ligands: $NH_3$ is 'ammine' and $Cl^-$ is 'chlorido'.$2$. Determine the oxidation state of the central metal atom $Cr$: Let the

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Tetraamminedichloridochromium $(III)$ nitrate

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(C) $1$. Identify the ligands: $NH_3$ is 'ammine' and $Cl^-$ is 'chlorido'.$2$. Determine the oxidation state of the central metal atom $Cr$: Let the oxidation state be $x$. The charge on $NH_3$ is $0$,$Cl$ is $-1$,and the counter ion $NO_3$ is $-1$. Thus,$x + 4(0) + 2(-1) + (-1) = 0$,which gives $x - 3 = 0$,so $x = +3$.$3$. Apply $IUPAC$ nomenclature rules: The ligands are listed alphabetically. 'Ammine' comes before 'chlorido'. Since there are four $NH_3$ and two $Cl$,the prefix is 'tetraammine' and 'dichlorido'.$4$. Combine the parts: The complex cation is named first,followed by the anion. The name is 'tetraamminedichloridochromium $(III)$ nitrate'.

The $IUPAC$ name of $[Cr(NH_3)_4 Cl_2] NO_3$ is .......

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