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RAJASTHAN ­ PET Rajasthan PET Solved Paper-2006

  • question_answer
    The increasing acidity order of phenol, p-methyl   phenol,   m-nitrophenol   and p-nitrophenol is

    A)  phenol, p-methyl phenol, p-nitrophenol, m-nitrophenol

    B)  p-methyl phenol, phenol, m-nitrophenol, p-nitrophenol

    C)  p-methylphenol, m-nitrophenol, phenol, p-nitrophenol

    D)  m-nitrophenol, p-nitrophenol, phenol, p-methylphenol

    Correct Answer: B

    Solution :

     Acidity increases due to\[-I\]effect and decreases due to\[+I\]effect. Hence, the increasing acidity order is as: p-methyl phenol < phenol < ni-nitrophenol < p-nitrophenol


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