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NEET Sample Paper NEET Sample Test Paper-85

  • question_answer
    A is a lighter phenol and B is an aromatic carboxylic acid. Separation of a mixture of A and B can be carried out easily by using a solution of:

    A) Sodium hydroxide

    B) Sodium sulphate

    C) Calcium chloride

    D) Sodium bicarbonate

    Correct Answer: D

    Solution :

    [d] Carboxylic acids dissolve in \[NaHC{{O}_{3}}\] but Phenols do not. \[RCOOH\xrightarrow{NaHC{{O}_{3}}}RCOONa+{{H}_{2}}O+C{{O}_{2}}\]by evolving \[C{{O}_{2}}\]gas..


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