Write the structural formula of 1- phenylpentan - 1 one.

Explanation

To write the structural formula of 1-phenylpentan-1-one, we will follow these steps:

### Step 1: Identify the main functional group
The name "1-phenylpentan-1-one" indicates that the main functional group is a ketone (due to the "one" suffix). The ketone group is represented by a carbonyl group (C=O).

**Hint:** Look for the suffix in the name to identify the functional group.

### Step 2: Determine the carbon chain
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