JEE Main · 2014 · 06 Apr 2014 · Offline · Polymers

Which one is classified as a condensation polymer?

(A)Teflon
(B)Acrylonitrile
(C)Dacron✓ Correct
(D)Neoprene

Answer: (C)

Solution

Sort them by how the chain is built. Teflon, polyacrylonitrile and neoprene all grow by simple addition of monomer, with nothing expelled. Dacron, the polyester from ethylene glycol and terephthalic acid, is built by condensation, throwing out water at each link. The condensation polymer in the list is Dacron.

JEE Main · 2014 · 06 Apr 2014 · Offline · Single correct option

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