A. R-OR
B. R-CO-R
C. R-CO-OR
D. R-CO-OH
Answer
Correct Answer: C. R-CO-OR
Detail about MCQs
In esters, you have a carbonyl group (C=O) bonded to an oxygen atom (O), which is further bonded to an alkyl or aryl group (R). This functional group is responsible for the distinctive properties and chemical behavior of esters.