alleryGlycerol (propane-1,2,3-triol) is classified as:
ATrihydric alcohol — three -OH groups (on C1, C2, C3)
BDihydric alcohol
CPhenol
DMonohydric alcohol
Answer & Solution
Correct answer: A. Trihydric alcohol — three -OH groups (on C1, C2, C3)
Glycerol = **propane-1,2,3-triol** = CH₂(OH)-CH(OH)-CH₂(OH).
**Three -OH groups → trihydric alcohol**.
Used in soaps, cosmetics, and as a humectant.
Ethylene glycol is dihydric; ethanol is monohydric.
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