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Question: Answered & Verified by Expert
Acrolein test is positive for
ChemistryBiomoleculesCOMEDKCOMEDK 2018
Options:
  • A polysaccharides
  • B proteins
  • C oils and fats
  • D reducing sugars
Solution:
1815 Upvotes Verified Answer
The correct answer is: oils and fats
Acrolein test is positive for oils and fats when fat is heated in presence of $\mathrm{KHSO}_{4}$, the glycerol portion of molecule is dehydrated and form unsaturated aldehyde. $\mathrm{CH}_{2}=\mathrm{CH}-\mathrm{CHO}$ (acrolein) a bad smelling compound.

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