Acid value of cocnut oil

 1QWhat is Acid values.

Number of mgs of KOH consumed to neutralize the free acid in 1gm of fatty acid.

2QHow does Acidity occur.

Upon storage and decomposition of oil into fatty acids,

3QWhat is rancidity.

Hydrolysis of fatty acids , aldehydes,ketones which produce distinctive smell is called rancidity.

4QUnits of Normality.

Eq/l

5Q Relation between molarity and Normality.

N = M *n

n = number of moles

N = Normality

M = Molarity

6QWhat is the end point.

Pink colour indicates the end point

7QHow many number of milligrams of KOH are required to neutralize free fatty acids in 1gm of oil.

5.61gms

Note : Normality of Naoh = 0.5N