Haryana PMT Haryana PMT Solved Paper-2011

  • question_answer
    Aqueous solution of sodium bicarbonate can fairly be useful to distinguish aliphatic carboxylic acid from

    A)  

    B)  

    C)         

    D)  \[\underset{COOH}{\overset{COOH}{\mathop{|}}}\,\]

    Correct Answer: B

    Solution :

                    Benzoic acid, oxalic acid and picric acid are sufficient acidic to evolve \[C{{O}_{2}}\] but 3-methoxy phenol is comparatively less acidic hence it does not evolve \[C{{O}_{2}}\] with \[NaHC{{O}_{3}}\].


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