KCET · Chemistry · Hydrocarbons
The monomer used in Novolac, a polymer usedin paints
- A Phenol and Formaldehyde
- B Melamine and Formaldehyde
- C Butadiene and Styrene
- D Butadiene and acrylonitrile
Answer & Solution
Correct Answer
(A) Phenol and Formaldehyde
Step-by-step Solution
Detailed explanation
Phenol and formaldehyde are the monomers used for thepreparation of Novolac polymer.
Phenol Formaldehyde
\( o- \) Hydroxymethyl phenol
\( p \)-Hydroxy
methyl phenol
\( 2 n \)
o-Hydroxy methyl phenol
Novolac
Phenol Formaldehyde
\( o- \) Hydroxymethyl phenol
\( p \)-Hydroxy
methyl phenol
\( 2 n \)
o-Hydroxy methyl phenol
Novolac
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