Trichloro acetic acid is a stronger acid than acetic acid.





Trichloro acetic acid is a stronger acid than acetic acid. Explain.


(1) The acidic nature of carboxylic acid is due to the ability to release H+ ions. Greater the ease with which they release H+ ions, stronger is the acid. Any factor that stabilizes the carboxylate ion would help the release of H ions and thus increase the strength of the acid. The electron withdrawing group attached to x-carbon atom increases the strength of the acid. In trichloroacetic acid, three chloro substituents on a-carbon atom of acetic acid makes the electrons withdrawing effect more pronounced and the negative charge of carboxylate ion formed gets dispersed. Thus, increases the stability of carboxylate ion.



CH3-COOH + H₂O→ CH3-COO- + H₂O 

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