Which of the following orders is true regardi | vedclass

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(B) The acidity of substituted phenols is significantly affected by the nature of the substituents.Electron-withdrawing groups $(EWG)$ such as $-NO_2$

Vedclass · Accepted Answer

$o-cresol < phenol < o-nitrophenol$

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(B) The acidity of substituted phenols is significantly affected by the nature of the substituents.Electron-withdrawing groups $(EWG)$ such as $-NO_2$ increase the acidic strength by stabilizing the phenoxide ion through the $-I$ and $-M$ effects.Conversely,electron-donating groups $(EDG)$ such as $-CH_3$ (methyl group in cresol) decrease the acidic strength due to the $+I$ effect and hyperconjugation,which destabilizes the phenoxide ion.Therefore,the acidic strength follows the order: $o-cresol < phenol < o-nitrophenol$.

Which of the following orders is true regarding the acidic nature of phenol and its derivatives?

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