Hydrogen peroxide, H2O2, changes in the presence of a catalyst in the following reaction. What type of chemical reaction is this?

2H2O2(aq) → 2H2O(l) + O2(g)

a) synthesis reaction
b) decomposition reaction
c) single replacement reaction
d) combustion reaction

Respuesta :

Answer:

The correct answer is option b) decomposition reaction .

Explanation:

In a decomposition reaction, a single substance decomposes, producing two or more different substances. The atoms that form a compound are separated to give the products according to the formula:

AB → A + B

This type of reactions can occur spontaneously or caused by certain external factors that promote the breakdown of the molecule into simpler substances.

If the decomposition occurs by the action of a catalyst, as in this case, it is called catalysis.  A catalyst is one of the external factors that can promote the breakdown of molecules.

So, the correct answer is option b) decomposition reaction .

The substance that increases the rate of the reaction is called a catalyst. The type of chemical reaction is a decomposition reaction.

What is decomposition reaction?

A decomposition reaction is a type of chemical reaction that splits or breaks the reactant into two or more products and substances. The decomposition reaction for hydrogen peroxide can be shown as,

[tex]\rm 2H_{2}O_{2}(aq) \rightarrow 2H_{2}O(l) + O_{2}(g)[/tex]

Decomposition reaction can occur spontaneously and in the case of the action of the catalyst in the reaction is called catalysis. It facilitates the splitting of the reactant molecule.

Therefore, option b) decomposition reaction is the correct option.

Learn more about decomposition reaction and catalysts here:

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