10 Questions
What is the principle behind the solubility test?
Solubility of lipids in nonpolar solvents
What is the purpose of using Dichloromethane in the unsaturation test?
To react with double bonds in unsaturated fats
What is the reaction that occurs in the saponification test?
Hydrolysis
What is the purpose of using potassium bisulfite in the acrolein test?
To detect the presence of glycerin
What is the result of a positive test in the grease spot test?
A translucent spot will remain on the filter paper
What is the primary indication of unsaturation in a lipid sample when iodine is added to it?
A color change to colorless or yellow
What is the limitation of the iodine test in determining the characteristics of a lipid sample?
It does not determine physical properties such as melting point and boiling point
What is the result of heating an oil with potassium bisulfate?
Dehydration of the glycerol portion to form Acrolein
What is the characteristic of the smell produced when an oil is heated with potassium bisulfate?
Pungent and resembling burnt oil
What is the primary advantage of the potassium bisulfate test over the iodine test?
It is a more qualitative test that provides a pungent smell
Test your knowledge of various lipid tests, including the Solubility Test, Grease Spot Test, Saponification Test, and Unsaturation Test. Learn about the principles and reagents involved in these tests, and how they are used to detect and analyze lipids.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
