JEE Main 2023 — Polymers Question with Solution
From: JEE Main 2023 (Online) 10th April Morning Shift
Question
Match List I with List II
| List I Polymer |
List II Type/Class |
||
|---|---|---|---|
| (A) | Nylon-2-Nylon-6 | (I) | Thermosetting polymer |
| (B) | Buna-N | (II) | Biodegradable polymer |
| (C) | Urea-formaldehyde resin | (III) | Synthetic rubber |
| (D) | Dacron | (IV) | Polyester |
Choose the correct answer from the options given below:
Choose an option
Show full solutionCorrect option: C
Correct answer
C(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
Step-by-step explanation
- Nylon-2-Nylon-6 is a biodegradable polymer. It is made from two monomers, hexamethylenediamine and adipic acid. The polymer is strong and durable, but it can also be broken down by bacteria and other microorganisms. This makes it a good choice for use in products that are designed to be biodegradable, such as food packaging and medical implants.
- Buna N is a synthetic rubber. It is made from a mixture of 1,3-butadiene and acrylonitrile. The polymer is strong and flexible, and it is resistant to wear and tear. Buna N is used in a variety of applications, including tires, hoses, and belts.
- Urea-formaldehyde is a thermosetting resin. It is made from a mixture of urea and formaldehyde. The polymer is hard and strong, and it is resistant to heat, water, and chemicals. Urea-formaldehyde is used in a variety of applications, including adhesives, coatings, and foams.
- Dacron is a polyester. It is made from a mixture of terephthalic acid and ethylene glycol. The polymer is strong, durable, and lightweight. Dacron is used in a variety of applications, including clothing, fabrics, and bottles.
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This is a previous-year question from JEE Main 2023, covering the Polymers chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.