Page No 438: - Chapter 15 Polymers Exercise Solutions class 12 ncert solutions Chemistry - SaraNextGen [2024-2025]

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On April 24, 2024, 11:35 AM

Question 15.19:

How is dacron obtained from ethylene glycol and terephthalic acid?

Answer:

The condensation polymerisation of ethylene glycol and terephthalic acid leads to the formation of dacron.

Question 15.20:

What is a biodegradable polymer? Give an example of a biodegradable aliphatic polyester.

Answer:

A polymer that can be decomposed by bacteria is called a biodegradable polymer.

Poly-β-hydroxybutyrate-CO-β- hydroxyvalerate (PHBV) is a biodegradable aliphatic polyester.