Monomer of neoprene is

Options

A. Chloroprene
B. Acetylene
C. Vinyl Acetlylene
D. Both (2) and (3)

Answer

To determine the monomer of neoprene, we can follow these steps:

### Step-by-Step Solution:

1. **Identify Neoprene**: Neoprene is a type of synthetic rubber, also known as polychloroprene.

2. **Determine the Monomer**: The monomer that polymerizes to form neoprene is called chloroprene.

3. **Chemical Structure of Chloroprene**: The chemical structure of chloroprene can be represented as 2-chloro-1,3-butadiene. This means it has:
- Four carbon atoms (C)
- One chlorine atom (Cl) attached to the second carbon
- Two double bonds between the first and second, and the third and fourth carbons.

4. **Polymerization Process**: Neoprene is formed through a process called free radical polymerization, where multiple units of chloroprene (n moles) combine to form the polymer chain.

5. **Write the Reaction**: The reaction can be summarized as follows:
- n CH2=C(Cl)-CH=CH2 → (–CH2–C(Cl)=CH–CH2–)n
- This shows that the chloroprene units link together to form the neoprene polymer.

6. **Final Answer**: Therefore, the monomer of neoprene is chloroprene.