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AP EAMCET202422 May 2024Morning ShiftChemistryAlcohols Phenols and EthersActual

Arrange the following in the correct order of their acidic strength

Options

  1. AIII IV I II
  2. BIV III I II
  3. CII I III IV
  4. DI IV III II

Correct answer

B. IV III I II

Step-by-step solution

Acidity Electron withdrawing group, -M effect. (IV) Nitro group in p-position pull election density by negative mesomeric effect (- M ) it make phenoxide ion more stable so it is less more stable. (III)Nitro group in meta position withdraw electron density by negative inductive effect it make phenoxide ion stable less compare to (IV) (I) Acidity of phenol due to stability of phenoxide ion. (II) Methyl group is in para position donate electron density which destabilize the phenoxide ion it is less acidic. Acidic ord

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