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2H2O → 2H2 + O2 is an example of ______________(a) combination(b) decomposition(c) disproportionation(d) double decompositionI had been asked this question by my college professor while I was bunking the class.The origin of the question is Redox Reactions and Electrode Processes topic in section Redox Reactions of Chemistry – Class 11

Answer»

The correct answer is (b) decomposition

Explanation: The REVERSE reaction of a combination reaction as a decomposition reaction. In a decomposition reaction, the breakdown of a compound happens into two or more COMPONENTS, here WATER is BROKEN down into hydrogen and oxygen, so it is a decomposition reaction.



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