Is the electrolysis of water a decomposition reaction?

1 Answer
Meave60
Jul 28, 2014

Yes, the electrolysis of water is a decomposition reaction. In a decomposition reaction a compound is broken down into simpler substances. In the case of the electrolysis of water, it is broken down into oxygen gas and hydrogen gas. The chemical equation for this is:
#2H_2##O#( l ) ---> #2H_2#( g ) + #O_2#( g )

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