Part Six: Functional Groups

  • There are many identifying structures within compounds known as functional groups. Here is a table of the main functional groups in organic chemistry.
Functional GroupStructure
Alkane
Alkene
Alkyne
HalideR-X
AlchoholR-O-H
EtherR-O-R
Aromatic
Amine

R-NH2

R2-NH

R3-N

Aldehyde
Ketone
Nitrile
Amide
Acyl Halide
Ester
Acid Anhydride
Carboxylic Acid
Key

R= represents an unspecified hydrocarbon chain attached to a given molecule (example: CH2CH3)

X = represents an unspecific halogen attached to a given molecule (examples: F, Cl, Br, I)

Part Six Exercise Set

Instructions:

  • Use what you learned in Part Six to complete the following exercises.
  • For each exercise there are two windows. The first one contains a molecule and various functional groups within that structure that have been circled.
    • Part A: Identify the functional groups in each of the following medications and circle them.
    • Part B: Name each functional group
    • We recommend you draw your response on plain white paper.
    • When ready, click on the window to reveal the answer.

Exercise: #1: Terbinafine, an antifungal medication

Exercise: #2: Atenolol, a medication used to treat high blood pressure