Question:
Which from following is a homopolymer ?
Which from following is a homopolymer ?
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A homopolymer is made from one type of monomer; polyacrylonitrile comes from acrylonitrile only.
Updated On: Oct 1, 2026
- Polyacrylonitrile
- Buna - N
- Urea formaldehyde resin
- Polycarbonate
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
Homopolymers have one kind of repeating unit. Copolymers are made from two or more monomers.
Step 2: Detailed Explanation
Polyacrylonitrile is made from acrylonitrile alone, so it is a homopolymer.
Buna-N is made from butadiene and acrylonitrile, so it is a copolymer.
Urea-formaldehyde resin is made from urea and formaldehyde, and polycarbonate is made from bisphenol-A and a carbonate source, so both come from two monomers.
Final Answer:
Polyacrylonitrile is the homopolymer, option (A). \[ \boxed{\text{Polyacrylonitrile (A)}} \]
Homopolymers have one kind of repeating unit. Copolymers are made from two or more monomers.
Step 2: Detailed Explanation
Polyacrylonitrile is made from acrylonitrile alone, so it is a homopolymer.
Buna-N is made from butadiene and acrylonitrile, so it is a copolymer.
Urea-formaldehyde resin is made from urea and formaldehyde, and polycarbonate is made from bisphenol-A and a carbonate source, so both come from two monomers.
Final Answer:
Polyacrylonitrile is the homopolymer, option (A). \[ \boxed{\text{Polyacrylonitrile (A)}} \]
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