BVP Medical BVP Medical Solved Paper-2006

  • question_answer
    The compound A in the following sequence of reaction is a silver salt of:

    A)  butyric acid      

    B)  isobutyric acid

    C)  propanoic acid                 

    D)  none of these

    Correct Answer: B

    Solution :

                    \[\underset{\underset{(A)}{\mathop{C{{H}_{3}}}}\,}{\mathop{\underset{|}{\mathop{{{H}_{3}}C-CH-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-OAg}}\,}}\,\xrightarrow[-C{{O}_{2}},AgBr]{CC{{l}_{4}}}\] \[\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{{{H}_{3}}C-CH-BR}}\,}}\,\xrightarrow[EtOH]{KOH}\underset{\Pr opene}{\mathop{{{H}_{3}}CCH=C{{H}_{2}}}}\,\]


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