Addition of HBr to 2-butene
gives two products while that of HBr to 1-buane
gives three products . Explain why ?

Explanation

To explain why the addition of HBr to 2-butene gives two products while the addition of HBr to 1-butene gives three products, we need to analyze the structure of the alkenes and the mechanism of the reaction.

### Step-by-Step Solution:

1. **Identify the Structures of the Alkenes:**
- **2-Butene:** The structure of 2-butene is CH3-CH=CH-CH3. This is a symmetrical alkene.
- **1-Butene:** The structure of 1-butene is CH2=CH-CH2-CH3. This is an unsymmetrical alkene.

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