NEET NEET SOLVED PAPER 2014

  • question_answer
    Which of the following organic compounds polymerizes to, form the polyester dacron? [AIPMT 2014]

    A)  Propylene and para \[HO-({{C}_{6}}{{H}_{4}})-OH\]

    B)  Benzoic acid and ethanol

    C)  Terephthalic acid and ethylene glycol

    D)  Benzoic acid and para \[HO-({{C}_{6}}{{H}_{4}})-OH\]

    Correct Answer: C

    Solution :

    Dacron, commonly known as terylene, is   obtained by heating a mixture of terephthalic acid and ethylene glycol at 420-460 K in the presence of zinc acetate and antimony trioxide as a catalyst.


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