Chapter 24, Problem 133A

Interpretation Introduction

Interpretation: To circle and name the functional groups that are present in capsaicin.

Concept introduction: Functional groups are responsible for chemical reactions. They are groups of atoms/bonds that are present in a substance.

Answer to Problem 133A

There are a total of five functional groups that are described below:

1. Amide
2. Ether
3. Alkene
4. Aromatic ring (benzene)
5. Phenol

Explanation of Solution

Capsaicin plays a major role in the heat of chili peppers. In the structure of capsaicin there are many functional groups that are as follows:

1. Amide
2. Ether
3. Alkene
4. Aromatic ring (benzene)
5. Phenol

The functional groups are encircled in the following structure as follows:

  

Conclusion

Thus, the total functional groups in capsaicin are

1. Amide
2. Ether
3. Alkene
4. Aromatic ring (benzene)
5. Phenol