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MHT CET Medical202621 April 2026Evening ShiftChemistryPolymersActual

Which one of the following polymers is prepared by addition polymerisation?

Options

  1. ATeflon
  2. BNylon-6,6
  3. CNovolac
  4. DDacron

Correct answer

A. Teflon

Step-by-step solution

Teflon (polytetrafluoroethylene) is prepared by the addition polymerisation of tetrafluoroethylene ( CF₂=CF₂ ) under high pressure in the presence of a free radical catalyst. Nylon-6,6 is a condensation polymer formed from hexamethylenediamine and adipic acid. Novolac is a condensation polymer formed from phenol and formaldehyde. Dacron (polyethylene terephthalate) is a condensation polymer formed from ethylene glycol and terephthalic acid. Answer: Teflon

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