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Class 10ScienceChemical Substances – Nature and BehaviourCarbon and its CompoundsEasy
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Which gas is released when sodium carbonate is added to ethanoic acid?

Answer and explanation

Correct answer: Carbon dioxide

Ethanoic acid reacts with sodium carbonate in an acid–carbonate reaction. The products are sodium ethanoate, water, and carbon dioxide: 2CH3COOH + Na2CO3 → 2CH3COONa + H2O + CO2. Effervescence occurs because of the escaping carbon dioxide, which also turns limewater milky. Therefore option A is correct; the other gases are not released in this reaction.

Related tags

Ethanoic AcidCarbonateCarbon DioxideCarbon 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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