is a repeating unit for :, Novolac, Buna-N, Acrilan, Neoprene

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

is a repeating unit for :

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is a repeating unit for :

ChemistryPolymersJEE MainJEE Main 2021 (25 Jul Shift 1)

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Solution:

2004 Upvotes Verified Answer

The correct answer is: Novolac

$Phenol + HCHO \overset{H^{+}}{\to} Novolac (Given structure) \overset{Polymerisation}{\to} Bakelite(Cross linked polymer)$

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