Write the chemical name of the following compounds
`KMnO_4`

Explanation

To write the chemical name of the compound \( KMnO_4 \), follow these steps:

### Step 1: Identify the elements in the compound
The compound \( KMnO_4 \) consists of three elements: potassium (K), manganese (Mn), and oxygen (O).

### Step 2: Determine the oxidation states
- Potassium (K) has an oxidation state of +1.
- Manganese (Mn) in \( KMnO_4 \) is in the +7 oxidation state because it is part of the permanganate ion \( MnO_4^{−} \).
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