Write IUPAC names of following compounds:
(1) `[CoNH_(3))_(5)(CÓ_(3))CI`
(2) `[HgCo(SCN)_(4)]`
(3) `[P(NH_(3))_(2)CI(NO_(2))]`

Explanation

To write the IUPAC names of the given coordination compounds, we need to follow a systematic approach. Let's break it down step by step for each compound.

### Compound 1: `[Co(NH₃)₅(CO₃)Cl]`

1. **Identify the Cation and Anion**:
- The cationic part is `[Co(NH₃)₅(CO₃)]` and the anionic part is `Cl`.

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