Write IUPAC name of the complex: `[Cr(H_2O)_5Cl]Cl_2`

Explanation

To write the IUPAC name of the complex \([Cr(H_2O)_5Cl]Cl_2\), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Coordination Entity**:
The complex is \([Cr(H_2O)_5Cl]Cl_2\). The coordination entity is \([Cr(H_2O)_5Cl]^{2+}\) and the two chloride ions outside the coordination sphere are counter ions.

2. **Determine the Oxidation State of Chromium**:
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