Which of the following is the strongest carbo | vedclass

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(D) $1$. The acidity of carboxylic acids is determined by the stability of the conjugate base (carboxylate ion) formed after the loss of a proton.$2$.

Vedclass · Accepted Answer

$ClCH_2COOH$

Vedclass · Answer

(D) $1$. The acidity of carboxylic acids is determined by the stability of the conjugate base (carboxylate ion) formed after the loss of a proton.$2$. Electron-withdrawing groups (EWGs) stabilize the carboxylate ion through the inductive effect ($-I$ effect), thereby increasing the acidity of the parent acid.$3$. In $ClCH_2COOH$, the chlorine atom is a strong electron-withdrawing group due to its high electronegativity.$4$. In $CH_3COOH$ and $CH_3CH_2COOH$, the alkyl groups ($CH_3-$ and $CH_3CH_2-$) are electron-donating groups ($+I$ effect), which destabilize the carboxylate ion and decrease acidity.$5$. $HCOOH$ has only a hydrogen atom, which has no inductive effect.$6$. Therefore, $ClCH_2COOH$ is the strongest acid among the given options.

Compound	Reaction with $Na$ metal	Reaction with $NaOH$	Reaction with $NaHCO_3$
Alcohol	$H_2$ is liberated	No reaction	No reaction
Phenol	$H_2$ is liberated	Soluble salt formed	No reaction
Carboxylic acid	$H_2$ is liberated	Soluble salt formed	$CO_2$ gas is liberated

Which of the following is the strongest carboxylic acid?

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