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NEET2019ChemistryGeneral Organic ChemistryActual

Order of acidic nature of the following compounds is

Options

  1. A1>3>4>2
  2. B1>2>4>3
  3. C1>2>3>4
  4. D4>3>2>1

Correct answer

B. 1>2>4>3

Step-by-step solution

Electron withdrawing group increases the acidic strength of phenols whereas electron donating group decreases the acidic strength of phenols. o -Nitrophenol is little less acidic than p -nitrophenol due to intramolecular H -bonding which makes loss of a proton little difficult.

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