DUMET Medical DUMET Medical Solved Paper-2004

  • question_answer
    Which of the following reagents will produce salicylaldehyde on reaction with phenol?

    A)  \[CHC{{l}_{3}}/NaOH\]

    B)  \[CC{{l}_{4}}/NaOH\]

    C)  \[C{{H}_{2}}C{{l}_{2}}/NaOH\]

    D)  \[C{{H}_{3}}Cl/NaOH\]

    Correct Answer: A

    Solution :

    Key Idea: This reaction is Reimer-Tiemann reaction with \[CHC{{l}_{3}}\] and aq. alkali \[(NaOH)\] phenol gives salicylaldehyde and with \[CC{{l}_{4}}\]and \[NaOH\] phenol gives salicylic acid.


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