JEE Main 2019 — Polymers Question with Solution
JEE Main 2019 (12 Apr Shift 2)
Question
The correct name of the following polymer is:
Choose an option
Show full solutionCorrect option: A
Correct answer
APolyisobutylene
Step-by-step explanation
Polyisobutylene is a polymer molecule which is produced by the polymerization of isobutene (also known as 2-methylpropene). The chemical formula of isobutene is .
Polymerization happens according to the following reaction:
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Polymers chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2019, 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.