the IUPAC name for the complex $\left[Co\right(N{O}_2\left){\left(N{H}_3\right)}_5\right]C{l}_2$  is :

$\left[Co\right(N{O}_2\left){\left(N{H}_3\right)}_5\right]C{l}_2$  

pentaammine nitrito-N-cobalt(III) chloride

  i). Name the ligands first, in alphabetical order, then the metal atom or ion. Note: The    metal atom or ion is written before the ligands in the chemical formula.

ii) For anionic ligands end in "-o"; for anions that end in "-ide, "-ate" and "-ite" change the endings as follows: -ide 

iii) For neutral ligands, the common name of the molecule is used                    

iV)prefixes mono, di and tri are used

V) After naming the ligands, name the central metal. If the complex ion is a cation, the metal is named same as the element

      Vi) oxidation state is indicated in parenthesis