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  • I need help with Highest rate of esterification with alcohols will be given by

Highest rate of esterification with alcohols will be given by

  • Option 1)

    HCOOH

  • Option 2)

    (CH_{3})_{2} CHCOOH

  • Option 3)

    (CH_{3})_{3}CCOOH

  • Option 4)

    CH_{3}COOH

 

Answers (1)

best_answer

As we learnt in

Esterification of carboxylic acid -

⇒ Carboxylic acid with alcohols or phenols forms esters in the presence of catalyst H2SO4 / HCl

⇒  It's a kind of nucleophilic acyl substitution.

⇒  Involves cleavage of C - OH bond.

- wherein

RCOOH+R'OH\rightleftharpoons RCOOR'+H_{2}O

 

 Carboxylic acids with alcohols from esters

HCOOH> CH_{3}COOH> (CH_{3})_{2} COOH> (CH_{3})_{3} COOH

Nucleophiles react more readily with unhindered carbonyl groups.


Option 1)

HCOOH

This solution is correct

Option 2)

(CH_{3})_{2} CHCOOH

This solution is incorrect

Option 3)

(CH_{3})_{3}CCOOH

This solution is incorrect

Option 4)

CH_{3}COOH

This solution is incorrect

Posted by

Plabita

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