Write down structure of the following compounds:
3-methyl-2-butanone

Explanation

To write down the structure of 3-methyl-2-butanone, we will follow these steps:

### Step 1: Identify the Parent Chain
The name "butanone" indicates that the parent chain consists of 4 carbon atoms (but-). The "one" suffix indicates that there is a ketone functional group (C=O) present in the molecule.

**Hint:** The prefix "but-" indicates a four-carbon chain.

### Step 2: Determine the Position of the Ketone Group
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