Which of the Following Alcohols is NOT a Sugar Alcohol

Question

Which of the following alcohols is NOT a sugar alcohol?
A)ribitol
B)sorbitol
C)glycerol
D)mannitol

Accepted Answer

Glycerol is not a sugar alcohol because it does not have a cyclic structure with a hydroxyl group attached to every carbon. Ribitol, sorbitol, and mannitol are sugar alcohols because they have this structure and are derived from sugars.