Hydrogen and oxygen can be obtained by electrolysis of acidified water. Using equations for the reactions at the electrodes, explain why the volume of hydrogen obtained is twice that of oxygen.

Hydrogen and oxygen can be obtained by electrolysis of acidified water. Using equations for the reactions at the electrodes, explain why the volume of hydrogen obtained is twice that of oxygen.

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At anode 4OH^-1_(aq) $\rightarrow$ 2H₂O_(l) + O_2(g) + 4e

At cathode 4H⁺_(aq) + 4e^- $\rightarrow$ 2H_2(g)

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johnmulu answered the question on February 18, 2017 at 11:24

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