Question

Compare the acidity of ortho/meta/para nitrophenols?

Answer 1

Answer:

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Explanation:

So, meta nitrophenol is the weakest in terms of acidity. Now, in ortho nitrophenol, intramolecular hydrogen bonding between the adjacent hydroxyl and nitro groups significantly affects release of the proton. So, it is a weakeracid compared to para nitrophenol. That's why cresols are less acidic than phenol.