Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryAlcohols, Phenols, and Ethers1 Mark
Question
The strongest acid in the following compounds is:
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Answer
$o-$nitro phenol participates in intra$-$molecular $H-$bonding, which makes it less acidic than p-nitro phenol. Since acidic strength depends on the stability of negative ion after removal of acidic $H, −NO_2$ group in o and p position provides $-M$ effect as the negative charge delocalizes.
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