BVP Medical BVP Medical Solved Paper-2008

  • question_answer
    An organic compound, \[{{C}_{3}}{{H}_{6}}O\] does not give a precipitate with 2, 4-dinitrophenyl hydrazine  reagent and does not react with metallic sodium,  It could be                                

    A)  \[C{{H}_{3}}-C{{H}_{2}}-CHO\]

    B)  \[C{{H}_{2}}=CH-C{{H}_{2}}OH\]              

    C)  \[C{{H}_{3}}-CO-C{{H}_{3}}\]

    D)  \[C{{H}_{2}}=CH-O-C{{H}_{3}}\]

    Correct Answer: D

    Solution :

                    Since, the compound does not give a precipitate with 2, 4-dinitrophenylhydrazine, it cannot be an aldehyde or a ketone. Further since it does  not react with metallic sodium, therefore, it  cannot be an alcohol. Thus, the compound \[{{C}_{3}}{{H}_{6}}O\] must be an ether ie, option  is correct,  


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