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AP EAMCET202422 May 2024Evening ShiftChemistryGeneral Organic ChemistryActual

Assertion (A): Carboxylic acids are more acidic than Phenols Reason (R): Resonance structures of carboxylate ion are equivalent, while resonance structures of phenoxide ion are not equivalent

Options

  1. ABoth and (R) are correct and (R) is the correct explanation of ( A )
  2. BBoth and (R) are correct But (R) is not the correct explanation of ( A )
  3. Cis correct but (R) is incorrect
  4. Dis incorrect but (R) is correct

Correct answer

A. Both and (R) are correct and (R) is the correct explanation of ( A )

Step-by-step solution

Carboxylic acid is stronger because its resonating structures more stable than the phenol. Carboxylic acid: Negative charge on more electronegative oxygen atom so both resonating structure are equal. Negative charge is on carbon which leads to less stability of phenoxide than carboxylate ion

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