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JEE Main 202131 AugustMorning Shift

Exam: JEE Main
Year: 2021
Date: 31 August
Shift: Morning Shift
Subject: Chemistry
Chapter: Hydrogen

JEE Main 2021 · 31 August · Morning Shift · Chemistry · Hydrogen

Monomer of Novolac is :

Monomer of Novolac is :

Monomer of Novolac is :

Options

A $3$ -Hydroxybutanoic acid.
B $1, 3$ -Butadiene and styrene.
Cphenol and melamine.
D $o$ -Hydroxymethylphenol.

Correct answer

D. $o$ -Hydroxymethylphenol.

Step-by-step solution

Novalac : It is linear polymer of

o

-Hydroxymethylphenol.
Monomer of Novolac is :

Monomer of Novolac is :

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