Test to differentiate between oil and …
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Posted by Divya Verma 5 years, 9 months ago
- 3 answers
Yogita Ingle 5 years, 9 months ago
1.Unsaturated compounds are oxidized by alkaline potassium permanganate with the disappearance of its pink colour therefore when cooking oil and saturated compound is treated with a few drops of Alkaline KMnO4 solution the pink colour of KMnO4 disappears . However with butter which contain saturated compound the pink colour of KMnO4 does not disappear.
2. We can also distinguish chemically between a cooking oil and a butter by the bromine water test.
Cooking oil decolourises bromine water showing that it is an unsaturated compound.
Butter does not decolourises bromine water showing that it is a saturated compound.
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Kap Sharma 5 years, 9 months ago
0Thank You