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NEETChemistryPolymers

What happens to novolac when heated with formaldehyde?

Options

  1. AIt forms a linear polymer
  2. BIt undergoes cross-linking to form bakelite
  3. CIt becomes a thermoplastic polymer
  4. DIt degrades into phenol and formaldehyde

Correct answer

B. It undergoes cross-linking to form bakelite

Step-by-step solution

When novolac is heated with formaldehyde, it undergoes cross-linking to form bakelite.

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