Give reason:
(i) $Cl - {CH}_{2} COOH$ is a stronger acid than ${CH}_{3} COOH .$
(ii) Carboxylic acids do not give reactions of carbonyl group.

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Detailed Solution

(i) $Cl - {CH}_{2} COOH$ is a stronger acid than ${CH}_{3} COOH .$ This is because -Cl group in $Cl - {CH}_{2} COOH$ exhibits -I effect. Due to which -ve charge on carboxylate ion get stabilized.

(ii) The lone pair of electrons on the O-atom of -OH group undergoes into resonance. It decreases the electrophilic character. Due to which the partial positive charge on carbonyl carbon atom become less.Therefore, they do not show nucleophilic addition reactions.

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