WBJEE · Chemistry · General Organic Chemistry
The correct order of decreasing acidity of nitrophenols will be
- A m-Nitrophenol \( > \) p-Nitrophenol \( > \) o-Nitrophenol
- B o-Nitrophenol \( > \) m- Nitrophenol \( > \) p-Nitrophenol
- C p-Nitrophenol \( > \) m- Nitrophenol \( > \) o-Nitrophenol
- D p-Nitrophenol \( > \) o-nitrophenol \( > \) m-Nitrophenol
Answer & Solution
Correct Answer
(D) p-Nitrophenol \( > \) o-nitrophenol \( > \) m-Nitrophenol
Step-by-step Solution
Detailed explanation
Hints: Due to \(-\mathrm{I}\) and \(-\mathrm{R}\) influence, \(\mathrm{NO}_2\) in ortho-postion should have raised the acidity to the maximum extent. But it is due to intramolecular \(\mathrm{H}\) - bonding, ortho-nitrophenol is less acidic than para - nitrophenol.
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