Question:
Which polymer among the following does NOT contain ester linkage in it?
Which polymer among the following does NOT contain ester linkage in it?
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Polyamides, like Nylon-2-Nylon-6, contain amide linkages, while polyesters contain ester linkages.
Updated On: Jan 27, 2026
- Dextrin
- PHBV
- Dacron
- Nylon-2-Nylon-6
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The Correct Option is D
Solution and Explanation
Step 1: Understanding ester linkages in polymers.
Ester linkages are formed by the reaction between a carboxylic acid group and an alcohol group. Some polymers, like PHBV and Dacron, contain ester linkages. However, Nylon-2-Nylon-6 is a polyamide, not a polyester, and therefore does not contain ester linkages.
Step 2: Analyzing the options.
(A) Dextrin: Dextrin is a polysaccharide, but it does not contain ester linkages.
(B) PHBV: PHBV (Polyhydroxybutyrate-co-hydroxyvalerate) is a polyester containing ester linkages.
(C) Dacron: Dacron (Polyethylene terephthalate) is a polyester and contains ester linkages.
(D) Nylon-2-Nylon-6: Nylon-2-Nylon-6 is a polyamide, which contains amide linkages, not ester linkages.
Step 3: Conclusion.
The polymer that does not contain ester linkages is (D) Nylon-2-Nylon-6, as it is a polyamide.
Ester linkages are formed by the reaction between a carboxylic acid group and an alcohol group. Some polymers, like PHBV and Dacron, contain ester linkages. However, Nylon-2-Nylon-6 is a polyamide, not a polyester, and therefore does not contain ester linkages.
Step 2: Analyzing the options.
(A) Dextrin: Dextrin is a polysaccharide, but it does not contain ester linkages.
(B) PHBV: PHBV (Polyhydroxybutyrate-co-hydroxyvalerate) is a polyester containing ester linkages.
(C) Dacron: Dacron (Polyethylene terephthalate) is a polyester and contains ester linkages.
(D) Nylon-2-Nylon-6: Nylon-2-Nylon-6 is a polyamide, which contains amide linkages, not ester linkages.
Step 3: Conclusion.
The polymer that does not contain ester linkages is (D) Nylon-2-Nylon-6, as it is a polyamide.
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