The Novolac polymer has mass of 963 g. The number of monome…

Chemistry Polymer ( Not In Syllabus ) JEE Main 2022 Numeric Response

Published by: CGP EDU Academic Team

Published on: August 13, 2026

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

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The correct answer is:

(9)

Monomer unit of Novolac is

Its molecular mass is 124 amu.

Upon considering molecular weight of polymer

as 963 amu (In question its given as 963 gram)

Now if during formation of Novolac, (n-1) unit of water are removed then

nx124 = 963 + [l8x(n-1)]

n= 9

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