Question:
Identify the polymer from following, that contains amide linkage
Identify the polymer from following, that contains amide linkage
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All nylons are polyamides and contain the characteristic \(-\mathrm{CONH}-\) linkage.
Updated On: Feb 11, 2026
- Terylene
- PHBV
- Nylon-6,6
- Dextron
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The Correct Option is C
Solution and Explanation
Step 1: Understanding amide linkage.
An amide linkage is represented by the functional group \( -\mathrm{CONH}- \), which is formed by the condensation of a carboxylic acid and an amine.
Step 2: Analyzing each option.
(A) Terylene: It is a polyester containing ester linkage (\(-\mathrm{COO}-\)), not amide linkage.
(B) PHBV: It is a biodegradable polyester and contains ester linkages.
(C) Nylon-6,6: It is a polyamide formed from hexamethylenediamine and adipic acid and contains amide linkages.
(D) Dextron: It is a polysaccharide and does not contain amide linkage.
Step 3: Conclusion.
Thus, Nylon-6,6 is the polymer that contains amide linkage.
An amide linkage is represented by the functional group \( -\mathrm{CONH}- \), which is formed by the condensation of a carboxylic acid and an amine.
Step 2: Analyzing each option.
(A) Terylene: It is a polyester containing ester linkage (\(-\mathrm{COO}-\)), not amide linkage.
(B) PHBV: It is a biodegradable polyester and contains ester linkages.
(C) Nylon-6,6: It is a polyamide formed from hexamethylenediamine and adipic acid and contains amide linkages.
(D) Dextron: It is a polysaccharide and does not contain amide linkage.
Step 3: Conclusion.
Thus, Nylon-6,6 is the polymer that contains amide linkage.
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