Write down the IUPAC name of `[CO(NH_(3))_(2)Cl(en)_(2)]Cl_(2)`

Explanation

To write the IUPAC name of the complex `[Co(NH₃)₂Cl(en)₂]Cl₂`, we will follow the systematic naming rules for coordination compounds. Here’s a step-by-step breakdown:

### Step 1: Identify the components of the complex
- The complex consists of a central metal ion (Co), ligands (NH₃, Cl, and en), and counter ions (Cl).
- The ligands present are:
- Two ammonia (NH₃) ligands
- Two ethylenediamine (en) ligands
- One chloride (Cl) ligand
...