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JEE Main & Advanced Chemistry Analytical Chemistry Question Bank Volumetric Analysis

  • question_answer
    The indicator used in titrating weak acid (e.g. oxalic acid) with a strong base (e.g. caustic soda) solution is [IIT-JEE 1985; CPMT 1990; MNR 1980; NCERT 1973, 77; MP PMT 1994]

    A) Methyl orange

    B) Methyl red

    C) Fluorescein

    D) Phenolphthalein

    Correct Answer: D

    Solution :

    Phenolphthalein is used as it is colourless and becomes pink only in basic medium.


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