Chemistry Carboxylic Acids BUMHS 2022
PMDC Verified Question 49 of 94
Which of the functional group are present in ethyl acetate?
A
Aldehyde group
B
Carboxyl group
C
Ester group
D
Ether group
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Ester group
Concept:

The suffix "-ate" in organic nomenclature is specifically designated for the salts and esters of carboxylic acids.

Formula:

$$ \text{CH}_3\text{-C(=O)-O-CH}_2\text{CH}_3 $$

Solution:

  • Ethyl acetate is formed from the condensation of acetic acid and ethanol.


  • The defining linkage is \( \text{R-C(=O)-O-R}' \), which is the ester functional group.


Why other options are incorrect:

Aldehydes have a \( \text{-CHO} \) group. Carboxyl groups (\( \text{-COOH} \)) indicate a free acid. Ethers have an \( \text{R-O-R}' \) group lacking the carbonyl (\( \text{C=O} \)).

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