JEE Main & Advanced AIEEE Solved Paper-2006

  • question_answer
    Among the following the one that gives positive iodoform test upon reaction with 12 and\[NaOH\]is     AIEEE  Solved  Paper-2006

    A) \[C{{H}_{3}}C{{H}_{2}}CH(OH)C{{H}_{2}}C{{H}_{3}}\]

    B) \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}C{{H}_{2}}OH\]

    C)

    D) \[PhCHOHC{{H}_{3}}\]

    Correct Answer: D

    Solution :

    For positive iodoform test, alcohol molecule must have \[C{{H}_{3}}\text{ }\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{CH}}\,\] group. So, find the alcohol having this group. \[Ph-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\xrightarrow{{{I}_{2}}+NaOH}CH{{l}_{3}}+Ph-CO{{O}^{-}}\]


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