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Question
Give a chemical test to distinguish between ethane and ethene.
Solution
| Sr. No | Test | Ethane | Ethene |
| 1 | On adding a few drops of bromine solution in carbon tetrachloride to the hydrocarbon | No change in colour is observed. | The reddish brown colour gets decolorized. |
| 2 | On adding a few drops of alkaline potassium permanganate (purple colour) to the hydrocarbon |
No change in colour is observed | The purple colour fades are observed. |
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