The reactants that will form an ester in the presence of an acid catalyst are ________.
A)two carboxylic acids
B)two alcohols
C)a carboxylic acid and an alcohol
D)an aldehyde and an alcohol
E)two aldehydes

Question

Quizplus · Accepted Answer

An ester is formed by the reaction between a carboxylic acid and an alcohol in the presence of an acid catalyst. Option A is incorrect because two carboxylic acids will form an acid anhydride, not an ester. Option B is incorrect because two alcohols cannot form an ester. Option D is incorrect because an aldehyde and an alcohol will form a hemiacetal or acetal, not an ester. Option E is incorrect because two aldehydes cannot form an ester.

The Reactants That Will Form an Ester in the Presence