Write the IUPAC name for the compound :
Acetaldehyde

Explanation

To determine the IUPAC name for the compound known as acetaldehyde, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Common Name**: The compound is given as acetaldehyde. This is the common name for the compound.

2. **Determine the Functional Group**: Acetaldehyde contains an aldehyde functional group (-CHO). Aldehydes are characterized by the presence of this group.

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