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Arrange the following in decreasing order of their acidic strength and give reason for your answer: CH_(3)CH_(2)OH,CH_(3)COOH,ClCH_(2)COOH,FCH_(2)COOH,C_(6)H_(5)CH_(2)COOH |
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Answer» Solution :The DECREASING order of the acidic strength is `FCH_(2)COOHgtClCH_(2)COOHgtC_(6)H_(5)CH_(2)COOHgtCH_(3)COOHgtCH_(3)CH_(2)OH` (i) Alcohols are weaker ACIDS than carboxy compounds (ii) A halogen ATTACHED to the a carbon next to carboxy group makes it more acidic because of -I effect. Fluorine has greaterinductive effect than chlorine `C_(6)H_(5)CH_(2)`- group has smaller +I effect compared to `CH_(3)`- |
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