Give IUPAC name of the `[Cu(NH_3)_4]SO_4`

Explanation

To find the IUPAC name of the coordination compound \([Cu(NH_3)_4]SO_4\), we can follow these steps:

### Step 1: Identify the Central Metal Ion and its Oxidation State
- The central metal ion in this compound is copper (Cu).
- Let the oxidation state of copper be \(X\).
- The ligand \(NH_3\) (ammine) is a neutral ligand, so it has an oxidation state of 0.
- The sulfate ion (\(SO_4^{2-}\)) has an oxidation state of -2.

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