Question

2 chloro butanoic acid is stronger than 3 chloro butanoic acid. why botanoic acid weaker than both acid

Answer 1

Yes as chlorine shows electon -I effect it reduces negative charge and stable the anion

As Cl is more electronegative make H+ removal easy.

1.CH3CH2CH2COOH➡CH3CH2CH2COO- +H

2.CH3CH2CH(Cl)COOH➡CH3CH2CH (Cl)COO- +H

HENCE 2 IS MORE ACIDIC THAN 1