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Question
Give a chemical test to distinguish between ethene (ethylene) and ethyne (acetylene).
Solution
| Sr. No. | Test | Ethene (ethylene) | Ethyne (acetylene) |
| 1 | On adding a few drops of ammoniacal cuprous chloride to the hydrocarbon |
No change is observed. |
Red precipitate of copper acetylide is formed. |
| 2 | On adding ammonical silver nitrate |
No observation. |
White precipitate of silver acetylide is formed. |
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