Question:
Identify the monomer of natural rubber.
Identify the monomer of natural rubber.
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Natural rubber is cis-1,4-polyisoprene.
Updated On: Nov 12, 2026
- Acrylonitrile
- Isoprene
- Epsilon-caprolactam
- Tetrafluoroethylene
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
Natural rubber is cis-1,4-polyisoprene, a polymer of a diene.
Step 2: Monomer
Its repeating unit comes from isoprene, 2-methylbuta-1,3-diene, \(\text{CH}_2=\text{C(CH}_3)-\text{CH}=\text{CH}_2\).
Step 3: Other options
Acrylonitrile gives PAN, caprolactam gives nylon 6 and tetrafluoroethylene gives Teflon. All three are synthetic polymers.
Final Answer:
The monomer of natural rubber is isoprene. \[ \boxed{\text{(B) }\text{Isoprene}} \]
Natural rubber is cis-1,4-polyisoprene, a polymer of a diene.
Step 2: Monomer
Its repeating unit comes from isoprene, 2-methylbuta-1,3-diene, \(\text{CH}_2=\text{C(CH}_3)-\text{CH}=\text{CH}_2\).
Step 3: Other options
Acrylonitrile gives PAN, caprolactam gives nylon 6 and tetrafluoroethylene gives Teflon. All three are synthetic polymers.
Final Answer:
The monomer of natural rubber is isoprene. \[ \boxed{\text{(B) }\text{Isoprene}} \]
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