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NEET2009ChemistryPolymersActual

Structures of some common polymers are given. Which one is not correctly presented ?

Options

  1. ATeflon ( CF ₂- CF ₂- )_ n
  2. BNylon 66 [ NH ( CH ₂ )₆ NHCO ( CH ₂ )₄- CO - ]_ n

Correct answer

B. Nylon 66 [ NH ( CH ₂ )₆ NHCO ( CH ₂ )₄- CO - ]_ n

Step-by-step solution

(a) Teflon is a polymer of tetrafluoroethylene. (b) Neoprene is a polymer of chloroprene (2-chloro buta-1, 3-diene). (c) Terylene is a polymer of terepthalic acid and ethylene glycol. (d) Nylon-66 is a polymer of hexamethylene diamine and adipic acid. nH ₂ ~N ( CH ₂ )₆ NH ₂+ nHOOC - ( CH ₂ )₄ COOH

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