Question:
Which of the following is not a co-polymer?
Which of the following is not a co-polymer?
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A co-polymer is formed from two or more different monomers; neoprene is formed from chloroprene only.
Updated On: May 7, 2026
- Buna-S rubber
- Neoprene rubber
- Bakelite
- Urea--Formaldehyde
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The Correct Option is B
Solution and Explanation
Step 1: A co-polymer is a polymer formed from two or more different monomers.
Step 2: Buna-S rubber is a co-polymer of butadiene and styrene.
Step 3: Bakelite is formed from phenol and formaldehyde, so it is also considered a co-polymer.
Step 4: Urea--formaldehyde resin is formed from urea and formaldehyde, so it is also a co-polymer.
Step 5: Neoprene rubber is formed by polymerization of chloroprene monomer. \[ \text{Chloroprene} \rightarrow \text{Neoprene} \]
Step 6: Since neoprene is formed from one monomer, it is not a co-polymer. \[ \boxed{\text{Neoprene rubber}} \]
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