NEET Sample Paper NEET Sample Test Paper-26

  • question_answer
    At higher temperature iodoform reaction is given by

    A)  \[C{{H}_{3}}C{{O}_{2}}C{{H}_{3}}\]            

    B)  \[C{{H}_{3}}C{{O}_{2}}{{C}_{2}}{{H}_{5}}\]

    C)  \[{{C}_{6}}{{H}_{5}}C{{O}_{2}}C{{H}_{3}}\]    

    D)  \[C{{H}_{3}}C{{O}_{2}}{{C}_{6}}{{H}_{5}}\]

    Correct Answer: B

    Solution :

    At higher temperature \[C{{H}_{3}}C{{O}_{2}}{{C}_{2}}{{H}_{5}}\] undergoes hydrolysis to give ethyl alcohol which gives iodoform test. \[C{{H}_{3}}C{{O}_{2}}{{C}_{2}}{{H}_{5}}+NaOH\xrightarrow{{}}C{{H}_{3}}C{{O}_{2}}Na+{{C}_{2}}{{H}_{5}}\] \[{{C}_{2}}{{H}_{5}}OH\xrightarrow{{{I}_{2}}/NaOH}\underset{Iodoform}{\mathop{CH{{I}_{3}}}}\,\]


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