Question:
Identify the polymer obtained from acrylonitrile and 1,3-butadiene.
Identify the polymer obtained from acrylonitrile and 1,3-butadiene.
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The copolymer of 1,3-butadiene and acrylonitrile is Buna-N.
Updated On: Nov 12, 2026
- polystyrene
- Buna-S
- Neoprene
- Buna-N
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Buna rubbers are copolymers of 1,3-butadiene (Bu for butadiene, na for sodium catalyst).
Step 2: Identify the second monomer
Buna-S uses styrene, whereas Buna-N uses acrylonitrile (N for nitrile).
Step 3: Conclusion
Butadiene with acrylonitrile gives Buna-N, which is oil resistant. Polystyrene is a homopolymer and neoprene comes from chloroprene.
Final Answer:
The polymer is Buna-N. \[ \boxed{\text{(D) }\text{Buna-N}} \]
Buna rubbers are copolymers of 1,3-butadiene (Bu for butadiene, na for sodium catalyst).
Step 2: Identify the second monomer
Buna-S uses styrene, whereas Buna-N uses acrylonitrile (N for nitrile).
Step 3: Conclusion
Butadiene with acrylonitrile gives Buna-N, which is oil resistant. Polystyrene is a homopolymer and neoprene comes from chloroprene.
Final Answer:
The polymer is Buna-N. \[ \boxed{\text{(D) }\text{Buna-N}} \]
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