PART - 1 CH - 4 Carbon and Its Compounds — Science STD 10 — Question
Gujarat BoardEnglish MediumSTD 10SciencePART - 1 CH - 4 Carbon and Its Compounds2 Marks
Question
Give a test that can be used to differentiate between saturated and unsaturated hydrocarbons.
✓
Answer
Butter contains saturated fats while cooking oil contains unsaturated fats. → Unsaturated compound decolourise the pink colour of alkaline $\text {KMnO} _4$ solution. → When butter is treated with a few drops of alkaline $\text {KMnO} _4$ solution, the pink colour of $\text {KMnO} _4$ does not disappear, while, when cooking oil is treated with a few drops of alkaline $\text {KMnO} _4$ solution, its pink colour disappears.
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