Question:
Identify the monomers used to prepare bakelite from the following.
Identify the monomers used to prepare bakelite from the following.
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Bakelite is a condensation polymer of phenol and formaldehyde (methanal).
Updated On: Oct 1, 2026
- phenol , chloroform
- formaldehyde , NaOH
- phenol , methanal
- aniline , urea
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
Bakelite is a thermosetting phenol-formaldehyde resin, a cross linked condensation polymer.
Step 2: Detailed Explanation
Phenol reacts with methanal (formaldehyde) in the presence of an acid or base catalyst, first giving ortho and para hydroxymethylphenols, which then condense into a cross linked network.
Chloroform, NaOH, aniline and urea are not the monomers; aniline and urea with methanal are different resins.
Final Answer:
The monomers are phenol and methanal, option (C). \[ \boxed{\text{Phenol and methanal}} \]
Bakelite is a thermosetting phenol-formaldehyde resin, a cross linked condensation polymer.
Step 2: Detailed Explanation
Phenol reacts with methanal (formaldehyde) in the presence of an acid or base catalyst, first giving ortho and para hydroxymethylphenols, which then condense into a cross linked network.
Chloroform, NaOH, aniline and urea are not the monomers; aniline and urea with methanal are different resins.
Final Answer:
The monomers are phenol and methanal, option (C). \[ \boxed{\text{Phenol and methanal}} \]
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