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Is the electrolysis of water a acid-base chemistry reaction or a redox-reaction? Why not?
Note: Electrolysis is the breakdown of water into its constituents by electricity:
2·H2O ⇄ 2·H2 + 1·O2
Solution: electrolysis: 2·H2O ⇄ 2·H2 + 1·O2
Determine all oxidation numbers, from reactant to product:
H: +Ⅰ –> 0
O: -Ⅱ –> 0
The oxidation numbers change, so this is a redox reaction.
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