Considering the following reaction, answer the next two questions: This reaction

Question

Considering the following reaction, answer the next two questions: This reaction is an example of A) an intermolecular nucleophilic acyl substitution reaction B) an intramolecular nucleophilic acyl substitution reaction C) an intermolecular S_N2 reaction D) an intramolecular S_N2 reaction The purpose of the base catalyst in this reaction is: A) to polarize the carbonyl group to make it more electrophilic B) to convert the ester to an intermediate carboxylic acid C) to convert the alcohol group to an alkoxide anion, which is a better nucleophile D) all of the above

Explanation / Answer

29. this is a example of

B) an intramolecular nuleophilic acyl substitution reaction

here Nucleophile is alkoxide which displaces the leaving group of ester within the molecule.

30. the purpose of base catalyst in this reaction is

C) to convert the alcohol group to an alkoxide anion, which is nucleophile

.

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