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Which gas is released when sodium metal reacts with ethanol?

Answer and explanation

Correct answer: Hydrogen

Ethanol contains a hydroxyl (–OH) group whose hydrogen can be displaced by a sufficiently reactive metal such as sodium. The reaction is 2C₂H₅OH + 2Na → 2C₂H₅ONa + H₂. Thus sodium ethoxide is formed and hydrogen gas is released. Carbon dioxide is associated with combustion or reactions involving carbonates, oxygen is not the product here, and chlorine is unrelated.

Related tags

EthanolSodiumHydrogen GasFunctional GroupsCarbon And Its CompoundsScienceClass 10 Mcq

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