In the electrolysis of acidified water, the gas collected at the cathode is:

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During the electrolysis of water, reduction occurs at the cathode (negative electrode), where H⁺ ions gain electrons to form hydrogen gas (2H⁺ + 2e⁻ → H₂). Oxidation occurs at the anode, producing oxygen gas. The volume of H₂ collected is exactly twice that of O₂.

In the electrolysis of acidified water, the gas collected at the cathode is: MCQ with Answer and Explanation

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