Which outcome arises when a high voltage DC source electrolysis an aqueous sodium chloride?

💡 Explanation

When electrolyzing aqueous NaCl, water is reduced at the cathode resulting in hydrogen gas evolution via electron transfer, because it has a less negative reduction potential than sodium. Therefore, H2 gas production occurs at the cathode rather than sodium deposition or oxygen at the cathode, which requires higher energy or different redox reactions.

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