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MHT CET Chemistry Polymers 2026 MHT CET 2026 (20 April Shift 1)

MHT CET Chemistry Question (2026) — Solution

Question

Identify the monomers used for preparation of glyptal?

Options

  1. A. Styrene and phosgene
  2. B. Ethylene glycol and phthalic acid
  3. C. Butadiene and ethylene glycol
  4. D. Acrylamide and urea

Answer

B. Ethylene glycol and phthalic acid

Step-by-step solution

Glyptal is a condensation polymer belonging to the class of polyesters. It is synthesized by the condensation polymerization of ethylene glycol (ethane-1,2-diol) and phthalic acid (benzene-1,2-dicarboxylic acid). The polymerization reaction involves the elimination of water molecules to form ester linkages between the monomers. Answer: Ethylene glycol and phthalic acid

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