Question:
What are the monomers of Buna-S?
What are the monomers of Buna-S?
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Common synthetic rubbers: Buna-S (Butadiene + Styrene), Buna-N (Butadiene + Acrylonitrile), and Neoprene (Chloroprene).
Updated On: Apr 22, 2026
- Ethene and Styrene
- 1,3-Butadiene and Styrene
- Isoprene and Styrene
- Butadiene and Vinyl Chloride
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The Correct Option is B
Solution and Explanation
Concept:
Buna-S is a synthetic rubber produced by the copolymerization of two different monomers. The name Buna-S is derived from its components:
• Bu: Butadiene
• Na: Sodium catalyst used in polymerization
• S: Styrene
Step 1: Identify the monomers involved. The two monomers used in Buna-S formation are:
• 1,3-Butadiene
• Styrene
Step 2: Understand the polymer formation.
These monomers undergo copolymerization to produce styrene-butadiene rubber (SBR), commonly called Buna-S.
Step 3: State the final answer. \[ \boxed{\text{1,3-Butadiene and Styrene}} \]
Buna-S is a synthetic rubber produced by the copolymerization of two different monomers. The name Buna-S is derived from its components:
• Bu: Butadiene
• Na: Sodium catalyst used in polymerization
• S: Styrene
Step 1: Identify the monomers involved. The two monomers used in Buna-S formation are:
• 1,3-Butadiene
• Styrene
Step 2: Understand the polymer formation.
These monomers undergo copolymerization to produce styrene-butadiene rubber (SBR), commonly called Buna-S.
Step 3: State the final answer. \[ \boxed{\text{1,3-Butadiene and Styrene}} \]
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