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  3. RAJASTHAN PMT

RAJASTHAN PMT Rajasthan - PMT Solved Paper-1999

  • question_answer
    The condensation product of reaction between phenol and phthalic anhydride:

    A)  methyl orange 

    B)                        salicylic acid

    C)                         phenol red     

    D)                         phenolphthalein

    Correct Answer: D

    Solution :

    Phthalien reaction (phthalein condensation) phenol + phthalic anhydride \[\to \] \[HPh\] phenolphthalein. \[HPh\] acid as indicator.


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