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NTA Abhyas JEE Main2020ChemistryGeneral Organic ChemistryPractice

Which among the following compounds is most acidic?

Options

  1. AC 6 H 5 C O O H
  2. BC l C H 2 C O O H
  3. CB r C H 2 C O O H
  4. DO 2 N C H 2 C H 2 C O O H

Correct answer

B. C l C H 2 C O O H

Step-by-step solution

Any electron withdrawing substituent (having -I effect) stabilises the anion by dispersing the negative charge and therefore, increases the acidity. Chlorine is an electron withdrawing group present at minimum distance.

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