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प्रश्न
Write the molecular formulae of the third and fifth members of homologous series represented by general formula CnH2n-2.
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उत्तर
As the general formula of the homologous series is CnH2n-2 so they represent Alkynes.
Third member: C4H6
Fifth member: C6H10
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संबंधित प्रश्न
Define of chain isomerism.
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LPG contains
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ethanol, ethane, methane, ethyne, and ethene
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- 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.
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- which decolourises bromine solution in carbon tetrachloride.
Write balanced euation for the following :
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The organic compound mixed with ethanol to make it spurious is ______.
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\[\ce{A ->[Br2/Od4] CH2Br - CH2Br}\]
Name (not formula) the compound formed when steam reacts with A in the presence of phosphoric acid.
Give balanced equation for the laboratory preparations of the following organic compound:
An unsaturated hydrocarbon from calcium carbide
