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Question
Arrange the following in the increasing order of their property indicated:
Benzoic acid, Phenol, Picric acid, Salicylic acid (pka values).
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Solution
Picric acid < Salicylic acid < Benzoic acid < Phenol
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\[\begin{array}{cc}
\phantom{..............}\ce{CH3}\\
\phantom{............}|\\
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|\phantom{......}|\phantom{......}|\\
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