JIPMER Jipmer Medical Solved Paper-2002

  • question_answer
    When glycerol reacts with nitric acid, in presence of cone. \[{{H}_{2}}S{{O}_{4}}\], in cold, it gives:

    A)  trinitro glycerine             

    B)  dynamite           

    C)         glycerol trinitrate

    D)  none of these

    Correct Answer: C

    Solution :

    Glycerol, with cone. \[HN{{O}_{3}}\] in cold, forms an ester i.e., glycerol trinitrate, which is used in making explosives, (like dyanamite, cordite etc.) \[\underset{Glycerol}{\overset{C{{H}_{2}}OH}{\mathop{\underset{C{{H}_{2}}OH}{\overset{|}{\mathop{\underset{|}{\mathop{CHOH}}\,}}}\,}}}\,+\underset{conc.\,Nitric\,acid}{\mathop{3HO\cdot N{{O}_{2}}}}\,\xrightarrow{conc.\,{{H}_{2}}S{{O}_{4}}}\]\[\underset{Glycerol\,trinitrate}{\overset{C{{H}_{2}}N{{O}_{2}}}{\mathop{\underset{C{{H}_{2}}ON{{O}_{2}}}{\overset{|}{\mathop{\underset{|}{\mathop{CHON{{O}_{2}}}}\,}}}\,}}}\,\]


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