Write the names and structures of the monomers of the following polyers :
(i) Buna -S
(ii) Neoprene
(iii) Teflon

Explanation

To solve the question regarding the monomers of the specified polymers, we will identify each polymer and its corresponding monomer along with their structures.

### Solution:

#### (i) Buna-S
- **Monomers**: The monomers of Buna-S are **1,3-butadiene** and **styrene**.
- **Structures**:
- **1,3-butadiene**:
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