Q. Acrolein test is positive for
A) Polysaccharides
B) Proteins
C) Oils and fats
D) Reducing sugars
Explanation
(c)
When fat is heated in presence of KHSO_{4} (dehydrating agent) the glycerol portion of the molecule is dehydrated and form unsaturated aldehyde ${CH}_{2} = CH—\ CHO$ (acrolein), a bed smelling compound. It is the test for fat.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.