Give the formula of monomers involved in the formation of the following polymers :
(i) Buna-N
(ii) Nylon-6
(iii) Dacron

Explanation

To solve the question regarding the monomers involved in the formation of the specified polymers, we will identify the monomers for each polymer and provide their chemical formulas.

### Step-by-Step Solution:

1. **Identify the Monomers for Buna-N:**
- Buna-N is a copolymer made from two monomers: butadiene and acrylonitrile.
- **Butadiene (C4H6)**: The structure of butadiene is represented as:
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