JIPMER Jipmer Medical Solved Paper-1995

  • question_answer
    The monomer of PMMA is:

    A)  \[C{{H}_{2}}\overline{\overline{\,\,\,\,\,\,\,}}\,CHCN\]

    B)         \[C{{F}_{2}}\overline{\overline{\,\,\,\,\,\,\,}}\,C{{F}_{2}}\]

    C)         \[C{{H}_{2}}\overline{\overline{\,\,\,\,\,\,\,}}\,\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,\overline{\,\,\,\,\,\,}COOC{{H}_{3}}\]

    D)         methyl meth-acetate

    Correct Answer: C

    Solution :

    PMMA is the polymer of methyl methacrylate. It is used in making gaskets, valves, seals etc.


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