Give the IUPAC names of the following compounds :
(i) `[Co(NH_3)_(4)(H_(2)O)Cl]CL_2`
(ii) `[CrCl_2(en)_2]Cl`

Explanation

To provide the IUPAC names for the given compounds, we will follow a systematic approach to determine the oxidation states of the central metal atoms, identify the ligands, and arrange them in the correct order.

### Step-by-Step Solution:

**(i) For the compound `[Co(NH_3)_(4)(H_(2)O)Cl]Cl_2`:**

1. **Determine the oxidation state of cobalt (Co):**
- Let the oxidation state of cobalt be \( x \).
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