Question:
Which of the following polymers is formed by addition polymerization?
Which of the following polymers is formed by addition polymerization?
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If the name of the polymer starts with "Poly-" and the monomer has a double bond (like Ethene, Styrene, or Vinyl Chloride), it is almost certainly an addition polymer!
Updated On: May 13, 2026
- Nylon-6,6
- Bakelite
- Terylene
- Polyethene
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Polymerization is the process of reacting monomer molecules together in a chemical reaction to form polymer chains.
• Addition Polymerization: Monomers join together without the loss of any small molecules. It typically involves unsaturated monomers (with double or triple bonds).
• Condensation Polymerization: Monomers join together with the elimination of small molecules like water or alcohol.
Step 2: Detailed Explanation:
• Polyethene: Formed by the repeated addition of ethene ($CH_2=CH_2$) molecules. No byproduct is formed.
• Nylon-6,6, Bakelite, and Terylene: These are all formed by condensation reactions where molecules like water are released.
Step 3: Final Answer:
Polyethene is formed by addition polymerization.
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