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Question

Which of the following statement is true regarding esterification of a carboxylic with an alcohol ?

(i) It is carried out in presence of a strong acid which acts as a catalyst.

(ii) The strong acid makes the carbonyl carbon more electrophilic, and hence causes the alcohol, a strong nucleophile to attack on the carbonyl carbon.


(iii) The strong acid makes the carbonyl group more electrophilic which is thus attacked easily by an alcohol. a weak nucleophile.

(iv) Esterification can be done even in absence of a strong, acid.


A

(i) and (ii)

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B

(i) and (iii)

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C

(i)

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D

iv

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Solution

The correct option is B

(i) and (iii)


First two steps of the esterification make the question clear.


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