JEE Main 2022 · ChemistryMultiple choiceSingle correctEasyRecall

JEE Main 27 June 2022, Shift 2, Chemistry Q77

Question 77 of 90 in this shift, Chemistry question 17 of 30, Section A.

Which is true about Buna-N?

(1)It is a linear polymer of 1,3-butadiene.
(2)It is obtained by copolymerization of 1,3-butadiene and styrene.
(3)It is obtained by copolymerization of 1,3-butadiene and acrylonitrile.Official answer
(4)The suffix N in Buna-N stands for its natural occurrence.

Official answer

Option 3

NTA final key.

Chapter: Polymers
Topic: Polymers
Idea tested: Buna-N Monomers and Properties

Same topic in other shifts

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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.