Monomer of Novolac is : (A) phenol and melamine. (B) 3-Hydroxybutanoic acid. (C) 1,3-Butadiene and s — JEE Mains Chemistry Past Papers Chemistry Question
Question
Monomer of Novolac is : (A) phenol and melamine. (B) 3-Hydroxybutanoic acid. (C) 1,3-Butadiene and styrene. (D) o-Hydroxymethylphenol. uksoksyd dk ,dyd gS % (1) QhukWy esySehu (2) 3-gkbMªkWDlhC;wVsukWbd vEy (3) 1,3-C;wVkMkbZu rFkk LVkbjhu (4) o-gkbMªkWDlhesfFkyQhukWy
Answer: D
💡 Solution & Explanation
Novalac : It is linear polymer of o-Hydroxymethylphenol. OH + CH2O H+ or OH OH CH2OH + OH CH2OH CH2OH + OH CH2OH CH2OH HOH2C H + OH CHOH n OH CH2 H2 C OH OH CH 2 CH2 Novolac
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