Question:
Which polymer is obtained by ring opening polymerization?
Which polymer is obtained by ring opening polymerization?
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Caprolactam, a cyclic amide, polymerises by ring opening.
Updated On: Nov 12, 2026
- Terylene
- Nylon-6
- Nylon-6,6
- Bakelite
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
Ring opening polymerisation uses a cyclic monomer whose ring opens during polymerisation.
Step 2: Nylon-6
Nylon-6 is made by heating caprolactam (a cyclic amide) with water, which opens the ring and forms the polymer chain.
Step 3: Others
Terylene is from ethylene glycol and terephthalic acid, nylon-6,6 is from hexamethylenediamine and adipic acid, and Bakelite is from phenol and formaldehyde. These are condensation polymers of open-chain monomers.
Final Answer:
Nylon-6 is formed by ring opening polymerisation. \[ \boxed{\text{(B) }\text{Nylon-6}} \]
Ring opening polymerisation uses a cyclic monomer whose ring opens during polymerisation.
Step 2: Nylon-6
Nylon-6 is made by heating caprolactam (a cyclic amide) with water, which opens the ring and forms the polymer chain.
Step 3: Others
Terylene is from ethylene glycol and terephthalic acid, nylon-6,6 is from hexamethylenediamine and adipic acid, and Bakelite is from phenol and formaldehyde. These are condensation polymers of open-chain monomers.
Final Answer:
Nylon-6 is formed by ring opening polymerisation. \[ \boxed{\text{(B) }\text{Nylon-6}} \]
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