Question:
Identify homopolymer from following.
Identify homopolymer from following.
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Logic Tip: The prefix "Poly" followed by a single chemical name (like Poly-ethylene, Poly-propylene, Poly-acrylonitrile) almost always indicates a homopolymer. Trade names or combined names (Buna-S, Glyptal, Nylon-6,6) usually indicate copolymers.
Updated On: Apr 28, 2026
- Polyacrylonitrile
- Glyptal
- Polycarbonate
- Buna-S
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The Correct Option is A
Solution and Explanation
Concept:
Polymers are classified based on the types of monomers they are made of. A homopolymer is formed from the polymerization of a single type of monomer. A copolymer is formed from two or more different types of monomers.
Step 1: Evaluate the given options.
Let's analyze the monomeric composition of each polymer:
Step 2: Identify the homopolymer.
Based on the analysis, Polyacrylonitrile is the only polymer made from a single monomer type.
Polymers are classified based on the types of monomers they are made of. A homopolymer is formed from the polymerization of a single type of monomer. A copolymer is formed from two or more different types of monomers.
Step 1: Evaluate the given options.
Let's analyze the monomeric composition of each polymer:
- (A) Polyacrylonitrile (PAN): Formed entirely from a single monomer, acrylonitrile ($CH_2=CH-CN$). This makes it a homopolymer.
- (B) Glyptal: Formed from ethylene glycol and phthalic acid. Since there are two different monomers, it is a copolymer.
- (C) Polycarbonate: Formed from bisphenol A and phosgene. It is a copolymer.
- (D) Buna-S: Formed from 1,3-butadiene and styrene. It is a copolymer.
Step 2: Identify the homopolymer.
Based on the analysis, Polyacrylonitrile is the only polymer made from a single monomer type.
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