During electrolysis of water, the positive hydrogen ions from the solution ___ electrons and become ___ gas.
A
accept, hydrogen
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B
donate, hydrogen
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C
accept, oxygen
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D
donate, oxygen
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Solution
The correct option is A accept, hydrogen During electrolysis of water, water dissociates into positive hydrogen ions and negative oxygen ions. The positive hydrogen ions present in the solution are attracted to the negative electrode where they accept two electrons and become hydrogen gas. The negative oxygen ions on the other hand donate two electrons and become oxygen gas.