Write the structure of a reagent used for initiating a free radical chain reactions. How does it act ?

Explanation

### Step-by-Step Solution:

1. **Identify the Reagent**: The reagent used for initiating free radical chain reactions is Benzoyl Peroxide.

2. **Write the Structure of Benzoyl Peroxide**:
- The structure of Benzoyl Peroxide can be represented as follows:
\[
\text{C}_6\text{H}_5\text{-C(=O)-O-O-C(=O)-C}_6\text{H}_5
...