JEE Main & Advanced Sample Paper JEE Main Sample Paper-12

  • 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 :

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


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