alleryStart learning →The ester ethyl acetate (CH3CO2CH2CH3) forms when acetic acid reacts with which alcohol?
AMethanol
BPropanol
CGlycerol
DEthanol
Answer & Solution
Correct answer: D. Ethanol
1. Esters are formed by the reaction of a carboxylic acid with an alcohol, and the alcohol's identity determines the "alkyl" part of the ester's name.
2. The text states: "the ester ethyl acetate, CH3CO2CH2CH3, is formed when acetic acid reacts with ethanol."
3. The "ethyl" portion of "ethyl acetate" directly signals that ethanol (not methanol, propanol, or glycerol) is the alcohol involved.
4. So ethyl acetate is produced specifically from acetic acid and ethanol.
_Source: OpenStax Chemistry Ch 20 "Organic Chemistry", p.1125 §20.3 Aldehydes, Ketones, Carboxylic Acids, and Esters_
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