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A student said that electrolysis of water is a combination reaction. Why is this statement incorrect?

Answer and explanation

Correct answer: Because one compound breaks down into two simpler substances

In electrolysis, water, which is a compound, breaks down using electrical energy into hydrogen and oxygen: \(2H_2O(l) \rightarrow 2H_2(g) + O_2(g)\). Therefore, it is a decomposition reaction. In a combination reaction, two or more substances combine to form one product, whereas here one substance forms two products.

Related tags

ScienceClass 10Chemical ReactionsElectrolysisDecomposition Reaction

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