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Class 10ScienceChemical Substances – Nature and BehaviourCarbon and its CompoundsMedium
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Which product can mainly form when ethanol is heated with concentrated sulphuric acid?

Answer and explanation

Correct answer: Ethene

When ethanol is heated with concentrated sulphuric acid at about 443 K, the acid acts mainly as a dehydrating agent. It removes a molecule of water from ethanol, producing ethene: CH3CH2OH → CH2=CH2 + H2O. Therefore option A is correct. Ethane would require reduction, ethanoic acid requires oxidation, and sodium ethoxide would require sodium rather than sulphuric acid.

Related tags

EthanolDehydrationEtheneCarbon And Its CompoundsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScienceClass 10 Mcq
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10 more MCQs
  1. 1Which type of bond is generally found in carbon compounds?
  2. 2What is the ability of carbon to form long chains with its own atoms called?
  3. 3Diamond and graphite are which type of forms of carbon?
  4. 4Which allotrope of carbon is the hardest natural substance?
  5. 5Which type of bond is generally present in unsaturated hydrocarbons?
  6. 6What type of hydrocarbon is ethene?
  7. 7What type of hydrocarbon is ethyne?
  8. 8What is a series of organic compounds having the same functional group, in which successive members differ by a \\(\mathrm{-CH_2-}\\) unit, called?
  9. 9What is the difference in molecular mass between two successive members of a homologous series?
  10. 10Names of which organic compounds generally end in “-ene”?
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