How do you convert: 2-Bromobutane to but-2-ene?

Explanation

To convert 2-bromobutane to but-2-ene, follow these steps:

### Step 1: Understand the structure of 2-bromobutane
2-bromobutane is a four-carbon alkane (butane) with a bromine atom attached to the second carbon. The structure can be represented as:
```
Br
|
CH3-CH-CH2-CH3
...