JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Which of the following rubber is not a polydiene?

(A)Polyisoprene
(B)Polychloroprene
(C)Thiokol rubberCorrect
(D)Nitrile rubber

Answer: (C)

Solution

Polyisoprene (natural rubber), polychloroprene (neoprene) and nitrile rubber (Buna-N, from butadiene and acrylonitrile) are all built using diene monomers (isoprene, chloroprene, butadiene respectively), making them polydienes. Thiokol rubber,

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Question ID VK-151501