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JCECE Medical JCECE Medical Solved Paper-2013

  • question_answer
    Which is the most suitable reagent for the following conversion? \[C{{H}_{3}}-CH=CH-C{{H}_{2}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-C{{H}_{3}}\xrightarrow{{}}\] \[C{{H}_{3}}-CH=CH-C{{H}_{2}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-OH\]

    A)  \[Zn-Hg+HCl\]

    B)  \[{{l}_{2}}+NaOH\]

    C)  Fehlings reagent    

    D)  \[Sn+NaOH\]solution

    Correct Answer: B

    Solution :

     \[\underset{{{l}_{2}}+NaOH}{\mathop{C{{H}_{3}}-CH}}\,=CH-C{{H}_{2}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-C{{H}_{3}}\] \[\xrightarrow[\text{iodoform}\,\text{reaction}]{}C{{H}_{3}}-CH=CH-C{{H}_{2}}COOH+CH{{l}_{3}}\]


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