c
The \(IUPAC\) name of the complex \(Na \left[ PtBrCl \left( NO _2\right)\left( NH _3\right)\right]\) is sodium amminebromochloronitro-N-platinate(II).

The cation is sodium ion and the anion is the complex ion. The ligands present are ammine, bromo, chloro, and nitro\(-N\). Here \(N\) represents that the nitro group coordinates through the \(N\) atom. The names of the ligands are written in the alphabetical order. The oxidation state of platinum is \(+2\). The oxidation state is written in Roman numerals inside the parenthesis.