JEE Main 2022ChemistryPolymersMediumNumerical

JEE Main 2022Polymers Question with Solution

JEE Main 2022 (25 Jun Shift 2)

Question

The Novolac polymer has mass of 963 g. The number of monomer units present in it are

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Show full solutionCorrect answer: 9
Correct answer
9

Step-by-step explanation

    The molar mass of the monomer unit in the box =107

Assume there are n number of monomer units,

So, total molar mass n×107 = 963

n=9

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About this question

This is a previous-year question from JEE Main 2022, 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.