Question

Dehydration of glycerol produces

• A. propanone
• B. allyl alcohol
• C. glycol
• D. acrolein

Answer 1

Answer: (D)

Dehydration of glycerol gives acrolein
When glycerol is heated with sulphuric acid or $KHS{O}_4$, it is followed by dehydration to give acrolein.
Acrolein is a compound with bad odour.
It is a detection test of glycerol.