Which of the following is a reaction that relies on electrolysis?
conversion of iron to iron oxide
conversion of aluminum to aluminum oxide
conversion of water to hydrogen gas and oxygen gas
conversion of nitrogen gas and oxygen gas to nitrogen monoxide

The correct answer is :'conversion of water to hydrogen gas and oxygen gas'.

Explanation:

Decomposition reaction : It is a chemical reaction in which a single substance broke down into its constituent elements or into smaller molecules.

AB → A + C

The one of the example of the decomposition reaction is 'electrolysis of water in which due to action of electric current water is break into oxygen gas and hydrogen gas'.

Where as iron to iron oxide , aluminium ti aluminium oxide and nitrogen to nitrogen monoxide all involve reaction with oxygen gas.They all under go  oxidation process.

10 years is the answer

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