he IUPAC name of the ester formed from butanoic acid and ethanol is?Group of answer choicesbutyl ethanoateethyl propanoatebutyl ethanateethyl butanoate

The IUPAC name of the ester formed from butanoic acid and ethanol is ethyl butanoate.

Here's the step-by-step process:

1. Identify the carboxylic acid (butanoic acid) and the alcohol (ethanol) in the reaction. The carboxylic acid is named first in the ester's name.

2. The name of the carboxylic acid is changed from butanoic acid to butanoate.

3. The name of the alcohol is changed from ethanol to ethyl.

4. Combine the two names. The name of the alcohol comes first, followed by the name of the carboxylic acid. So, the IUPAC name of the ester is ethyl butanoate.