Give IUPAC name of the following :
(i) `CH_(3)CH_(2)COCH_(2)CH_(3)`
(ii) `CH_(3)CH_(2)CH_(2)COCH_(3)`

Explanation

To determine the IUPAC names for the given compounds, we will follow these steps:

### (i) For the compound `CH₃CH₂COCH₂CH₃`:

1. **Identify the Longest Carbon Chain**:
- The longest carbon chain consists of 5 carbon atoms: `CH₃-CH₂-C(=O)-CH₂-CH₃`.

2. **Determine the Functional Group**:
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