Question:
Which of the following polymers contain ester linkage?
Which of the following polymers contain ester linkage?
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Biodegradable polymers like PHBV and PET are polyesters and always contain ester linkages.
Updated On: Feb 11, 2026
- PHBV
- Orlon
- Neoprene
- Buna–S
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The Correct Option is A
Solution and Explanation
Step 1: Recall the definition of ester linkage.
An ester linkage has the functional group –COO– and is commonly found in polyesters formed by condensation of hydroxy acids.
Step 2: Analyze each polymer.
(A) PHBV: Poly(β-hydroxybutyrate-co-β-hydroxyvalerate) is a biodegradable polyester containing ester (–COO–) linkages — correct.
(B) Orlon: It is polyacrylonitrile and contains –C≡N groups, not ester linkages.
(C) Neoprene: It is polychloroprene and contains C–C and C–Cl bonds.
(D) Buna–S: It is a copolymer of butadiene and styrene with C–C bonds.
Step 3: Conclusion.
Only PHBV contains ester linkage among the given polymers.
An ester linkage has the functional group –COO– and is commonly found in polyesters formed by condensation of hydroxy acids.
Step 2: Analyze each polymer.
(A) PHBV: Poly(β-hydroxybutyrate-co-β-hydroxyvalerate) is a biodegradable polyester containing ester (–COO–) linkages — correct.
(B) Orlon: It is polyacrylonitrile and contains –C≡N groups, not ester linkages.
(C) Neoprene: It is polychloroprene and contains C–C and C–Cl bonds.
(D) Buna–S: It is a copolymer of butadiene and styrene with C–C bonds.
Step 3: Conclusion.
Only PHBV contains ester linkage among the given polymers.
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