JEE Main 2022 · ChemistryMultiple choiceOtherEasyRecall

JEE Main 26 June 2022, Shift 1, Chemistry Q78

Question 78 of 90 in this shift, Chemistry question 18 of 30, Section A.

Which of the following sets are correct regarding polymer ? (A) Copolymer : Buna–S (B) Condensation polymer : Nylon–6,6 (C) Fibres : Nylon–6,6 (D) Thermosetting polymer : Terylene (E) Homopolymer : Buna–N Choose the correct answer from given options below :

(1)(A), (B) and (C) are correctOfficial answer
(2)(B), (C) and (D) are correct
(3)(A), (C) and (E) are correct
(4)(A), (B) and (D) are correct

Official answer

Option 1

NTA final key.

Chapter: Polymers
Topic: Polymers
Idea tested: Polymer Classification

Same idea in other shifts

Asked 9× in all

10 Apr 2023, Shift 1 · Q77Match List I with List II List I (Polymer) List II (Type / Class) (A) Nylon-2-Nylon-6 (I) Thermosetting polymer (B) Buna-N (II)…EasyMatch the list
12 Apr 2023, Shift 1 · Q80Match List I with List II LIST I (Examples) / LIST II (Type) A. 2-chloro-1,3- butadiene - I. Biodegradable polymer B. Nylon 2-nylon 6 -…EasyMatch the list
13 Apr 2023, Shift 2 · Q80Match List I with List II LIST I | LIST II A. Weak intermolecular forces of attraction | I. Hexamethylenediamine + adipic acid B. Hydrogen…MediumMatch the list
28 Jul 2022, Shift 2 · Q46Match **List I** with **List II** List I (Polymer) | List II (Nature) A. $-\left[\mathrm{CH_2-C(Cl)=CH-CH_2}\right]_n-$ | I. Thermosetting…MediumMatch the listHas a figure
29 Jul 2022, Shift 2 · Q78Which of the following is NOT a natural polymer?EasySingle correct
29 Jun 2022, Shift 1 · Q77The polymer, which can be stretched and retains its original status on releasing the force isEasySingle correct
3 Aug 2021, Shift 1 · Q47Match List I with List II : List I - Polymer : A. Bakelite ; B. HDP ; C. LDP ; D. Rayon List II - Type : I. Branched chain ; II. Linear ;…EasyMatch the list
3 Aug 2021, Shift 2 · Q49Select the odd groupMediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.