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During the electrolysis of water, which gas is obtained in a larger volume at the cathode?

Answer and explanation

Correct answer: Hydrogen

Electrolysis of water is represented by 2H₂O(l) → 2H₂(g) + O₂(g). Reduction occurs at the cathode, so hydrogen is produced there. The balanced equation shows a 2:1 ratio: two volumes of hydrogen are formed for every one volume of oxygen. Oxygen is released at the anode. Nitrogen and chlorine are not products of pure water electrolysis.

Related tags

ScienceClass 10ElectrolysisChemical ReactionsCathodeChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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