Which of the Following Alcohols is Correctly Paired with the Functional

Question

Which of the following alcohols is correctly paired with the functional group that it contains?
A) ethanolamine: secondary amine group
B) choline: quaternary ammonium group
C) inositol: aldehyde and alcohol groups
D) glycerol: ether
E) none of the above are correct

Accepted Answer

Choline contains a quaternary ammonium group, which consists of a central nitrogen atom attached to four organic groups. Ethanolamine (A) contains a primary amine group, inositol (C) contains alcohol groups but not aldehydes, and glycerol (D) contains three alcohol groups and no ether groups.