JEE Main & Advanced Sample Paper JEE Main Sample Paper-37

  • question_answer
    Phenol and benzoic acid is separated by-

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

    B)  \[NaOH\]

    C)  \[Na\]                                      

    D)  \[NaN{{H}_{2}}\]

    Correct Answer: A

    Solution :

     \[PhOH+NaHC{{O}_{3}}\xrightarrow{{}}No\text{ }reaction\]\[PhCOOH+NaHC{{O}_{3}}\xrightarrow{{}}\underset{(salt)}{\mathop{PhCO\overset{O-}{\mathop{O}}\,N{{a}^{\oplus }}}}\,+{{H}_{2}}O+C{{O}_{2}}\]


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