RAJASTHAN PMT Rajasthan - PMT Solved Paper-2005

  • question_answer
    The indicator used for the filtration of weak base and strong acid is:

    A)  thymol blue

    B)  methyl orange

    C)  phenolphthalein

    D)  fluorescein

    Correct Answer: B

    Solution :

    In the titration of weak base and strong acid, the \[pH\] change lies in the acid range 6 to 4. Hence, methyl orange or methyl red is used as an indicator.


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