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प्रश्न
Give a chemical test to distinguish between ethene (ethylene) and ethyne (acetylene).
उत्तर
| 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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संबंधित प्रश्न
Select from the list the gas that matches the description given in case
[ammonia, ethane, hydrogen chloride, hydrogen sulphide, ethyne]
This gas is used for welding purposes.
State the conditions required for the given reaction to take place:
Preparation of ethyne from ethylene dibromide
Write the structure of the following compound:
2 – methyl propane
Give the method of preparation of ethyne by 1, 2-dibromoethene.
Name the products formed and write an equation when ethyne is added to the chlorine in an
inert solvent ?
Name the products formed and write an equation when ethyne is added to the bromine in an
inert solvent ?
Give the chemical equation for the preparation of ethyne from 1, 2-dibromoethane.
Write an equation for the laboratory preparation of an unsaturated hydrocarbon from calcium carbide.
Name the products formed and write an equation when ethyne is added to the following in an inert solvent:
Iodine
Name the products formed and write an equation when ethyne is added to the following in an inert solvent:
hydrogen
