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प्रश्न
How is gas collected?
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उत्तर
Gas is collected by the downward displacement of water, since it is
only slightly soluble in water and lighter than air.
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संबंधित प्रश्न
Define a functional group.
What is major source of organic compounds?
Write the IUPAC name of the foloowing:
CH3CH2Ch= CHCH3
Write the physical properties of ethene.
Explain the following:
Ethene and ethyne burn with sooty luminous flame
The list of some organic compounds is given below:
ethanol, ethane, methane, ethyne, and ethene
From the above list, name a compound:
- formed by the dehydration of ethanol by concentrated sulphuric acid.
- which forms methanoic acid on oxidation in the presence of copper at 200°C.
- which has vapour density 14 and turns acidic potassium permanganate colourless.
- which forms chloroform on halogenation in the presence of sunlight.
- which decolourises bromine solution in carbon tetrachloride.
Give chemical equation for:
The reaction of one mole of ethene with one mole chlorine gas.
Write a balanced chemical equation for the following:
Water is added to calcium carbide.
Give balanced equation for the laboratory preparations of the following organic compound:
An alcohol from ethyl bromide
Give the structural formulae of the following:
2-methyl propane
