BHU PMT BHU PMT Solved Paper-2004

  • question_answer
    Acetone reacts with iodine to form iodoform in the presence of:

    A) \[CaC{{O}_{3}}\]                              

    B) \[NaOH\]

    C)  \[KOH\]                              

    D) \[MgC{{O}_{3}}\]

    Correct Answer: B

    Solution :

                     \[C{{H}_{3}}-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}+3{{I}_{2}}+4NaOH\xrightarrow[{}]{{}}\] \[\underset{idoform}{\mathop{CH{{I}_{3}}}}\,-\underset{sod.\,acetate}{\mathop{C{{H}_{3}}\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-ONa}}\,+\underset{sodium\,\,iodide}{\mathop{3NaI+3{{H}_{2}}O}}\,\] Therefore, acetone and iodine react in presence of\[NaOH\].


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