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JEE Main202125 Jul 2021Morning ShiftChemistryPolymersActual

is a repeating unit for :

Options

  1. ANovolac
  2. BBuna-N
  3. CAcrilan
  4. DNeoprene

Correct answer

A. Novolac

Step-by-step solution

Phenol + HCHO → H + Novolac (Given structure) → Polymerisation Bakelite(Cross linked polymer)

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