CMC Medical CMC-Medical VELLORE Solved Paper-2013

  • question_answer
    Which of the following polymers cannot have vinylic monomer units?

    A)  Acrilan                

    B)  Polystyrene

    C)  Nylon                  

    D)  Teflon

    Correct Answer: C

    Solution :

                    Monomers of acrilan, polystyrene, and Teflon are \[C{{H}_{2}}=CHCN,\]\[C{{H}_{6}}{{H}_{5}}CH=C{{H}_{2}}\]and \[C{{F}_{2}}=C{{F}_{2}}\] respectively all of which are vinylic monomers while monomer units of nylon are Nylon 6-Caprolactam Nylon 6, 6-Adipic acid and hexamethylene diamine Nylon 6, 10-Sebacic acid and hexamethylene diamine


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