Question:
Identify a monomer of natural rubber.
Identify a monomer of natural rubber.
Show Hint
Natural rubber is cis-1,4-polyisoprene.
Updated On: Nov 12, 2026
- Styrene
- Butadiene
- Vinyl chloride
- Isoprene
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
Natural rubber is an addition polymer of a diene.
Step 2: Recall the structure
Its repeating unit is isoprene (2-methylbuta-1,3-diene), and the polymer is cis-1,4-polyisoprene.
Step 3: Compare the options
Styrene gives polystyrene, butadiene is used in Buna rubber and vinyl chloride gives PVC, so the answer is isoprene.
Final Answer:
The monomer of natural rubber is isoprene. \[ \boxed{\text{(D) }\text{Isoprene}} \]
Natural rubber is an addition polymer of a diene.
Step 2: Recall the structure
Its repeating unit is isoprene (2-methylbuta-1,3-diene), and the polymer is cis-1,4-polyisoprene.
Step 3: Compare the options
Styrene gives polystyrene, butadiene is used in Buna rubber and vinyl chloride gives PVC, so the answer is isoprene.
Final Answer:
The monomer of natural rubber is isoprene. \[ \boxed{\text{(D) }\text{Isoprene}} \]
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