Which of the following acids is reactive towards esterification with ethanol?

H C O O H

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C H C l_{3}

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(C H_{3})_{2} C H C O O H

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(C H_{3})_{3} C . C O O H

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Solution

The correct option is A $H C O O H$
For esterification, the carbonyl carbon of the acid should be more electrophilic for more reactivity. Presence of $+ I$ groups like methyl group decrease this reactivity.
Hence, $H C O O H$ will be most reactive towards esterification.

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Similar questions

Q. Which of the following acids is reactive towards esterification with ethanoal?

Q. Which of the following carboxylic acids is most reactive towards esterification?

Q. Explain the terms inductive and electrometric effects. Which electron displacement effect explains the following correct orders of acidity of the carboxylic acids ?
a)

C l_{3} C C O O H > C l_{2} C H C O O H > C l C H_{2} C O O H

C H_{3} C H_{2} C O O H > (C H_{3})_{2} C H C O O H > (C H_{3})_{3} C . C O O H

Explain the terms Inductive and Electromeric effects. Which electron displacement effect explains the following correct orders of acidity of the carboxylic acids?

(a) Cl₃CCOOH > Cl₂CHCOOH > ClCH₂COOH

(b) CH₃CH₂COOH > (CH₃)₂CHCOOH > (CH₃)₃C.COOH

Q. Ease of esterification of the following alcohols

{C H}_{3} {C H}_{2} O H (I), {({C H}_{3})}_{2} C H O H

and

{({C H}_{3})}_{3} C O H (I I I)

with

H C O O H

is:

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Which of the following acids is reactive towards esterification with ethanol?

The correct option is A HCOOHFor esterification, the carbonyl carbon of the acid should be more electrophilic for more reactivity. Presence of +I groups like methyl group decrease this reactivity.Hence, HCOOH will be most reactive towards esterification.

The correct option is A $H C O O H$
For esterification, the carbonyl carbon of the acid should be more electrophilic for more reactivity. Presence of $+ I$ groups like methyl group decrease this reactivity.
Hence, $H C O O H$ will be most reactive towards esterification.