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Class 10ScienceChemical Substances – Nature and BehaviourCarbon and its CompoundsMedium
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Which test is useful to distinguish ethanol and ethanoic acid?

Answer and explanation

Correct answer: Sodium carbonate test

The sodium carbonate test distinguishes these substances because ethanoic acid reacts with sodium carbonate and releases carbon dioxide, producing visible effervescence. Ethanol does not normally give this carbonate reaction under the same conditions. The gas can be confirmed by passing it through limewater, which turns milky. Therefore option A is correct; bromine water is not the standard distinction here, and magnet or bulb tests are inappropriate.

Related tags

EthanolEthanoic AcidSodium Carbonate TestCarbon 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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