20) How many functional groups are present in this aspirin molecule, shown in the following diagram?
a. 2
b. 3
c. 4
d. 5
The aspirin molecule shown in the diagram has 4 functional groups.
The functional groups present are:
1. Carboxylic acid group (-COOH)
2. Ester group (-COO-)
3. Benzene ring (-C6H5)
4. Acetyl group (-C=O)