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Saturday, 31 October

JEE Main 2022 · ChemistryMultiple choiceMatch the listEasyRecall

JEE Main 27 July 2022, Shift 2, Chemistry Q75

Question 75 of 90 in this shift, Chemistry question 15 of 30, Section A.

Match List - I with List - II. List - I (Polymer) (A) Neoprene (B) Teflon (C) Acrilan (D) Natural rubber List - II (Monomer) (I) Acrylonitrile (II) Chloroprene (III) Tetrafluoroethene (IV) Isoprene Choose the **correct** answer from the options given below :
  1. (1)(A) - (II), (B) - (III), (C) - (I), (D) - (IV)Official answer
  2. (2)(A) - (II), (B) - (I), (C) - (III), (D) - (IV)
  3. (3)(A) - (II), (B) - (I), (C) - (IV), (D) - (III)
  4. (4)(A) - (I), (B) - (II), (C) - (III), (D) - (IV)

Official answer

Option 1

NTA final key.

Chapter
Polymers
Topic
Polymers
Idea tested
Neoprene Synthesis

Same idea in other shifts

Asked 4× in all
  1. 30 Jun 2022, Shift 1 · Q78Match List - I with List - II. List - I Polymer (a) Acrilan (b) Neoprene (c) Polystyrene (d) Buna-N List - II Repeat Unit (i)…EasyMatch the listHas a figure
  2. 26 Feb 2021, Shift 1 · Q48The structure of Neoprene is :EasyDiagram basedHas a figure
  3. 22 Jul 2021, Shift 2 · Q49Match List - I with List - II : List - I List - II (a) Chloroprene (i) [figure: skeletal structure drawn in lines only: a vertical stub…MediumMatch the listHas a figure

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.