Which synthetic polymer is classified as a condensation polymer formed with the elimination of small water molecules during polymerization?
Answer and explanation
Correct answer: D. Nylon-6,6
- Step 1: Addition polymers form by opening double bonds without loss of small molecules (polyethene, PVC, polystyrene). Step 2. Condensation polymers form by reaction between bifunctional monomers with elimination of small molecules like H₂O. Step 3. Nylon-6,6 forms from hexanedioic acid and hexane-1,6-diamine, releasing water at each amide link. Answer: Nylon-6,6. Why not the others: Polyethene, PVC, and polystyrene are all addition polymers formed from vinyl monomers.
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