Give the structural formulae of the following:
Butan-2-ol

Explanation

To derive the structural formula of Butan-2-ol, we can follow these steps:

### Step 1: Understand the Name
The name "Butan-2-ol" indicates that we are dealing with a butane molecule (which has 4 carbon atoms) and an alcohol functional group (-OH) located at the second carbon.

**Hint:** The prefix "but-" indicates 4 carbon atoms, and the "2" indicates the position of the -OH group.

### Step 2: Draw the Carbon Backbone
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