Question

iodine decolourises in stearic acid because

Answer 1

iodine decolourises in stearic acid because it is saturated

Answer 2

Iodine decolourises in stearic acid because of its saturation point. When you conduct the iodin value test you can determine and know the degree of the unsaturation of the element.

It is the kind of saturated fatty acid which can perfectly help in the performance of the test. For the test one can make use of the raw material sample asnd this will help you analyse the quality of the compound.