Types of Chemical Reactions

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What is a Single Replacement Reaction?

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A reaction where one element replaces another in a compound, represented by the general formula: A + BC -> B + AC.

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What is a Decomposition Reaction?

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A reaction where a single compound breaks down into two or more simpler products, represented by the general formula: AB -> A + B.

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What is a Combustion Reaction?

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A reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat, typically producing CO2 and H2O.

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What is a Combination Reaction?

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A reaction where two or more substances combine to form a single product, represented by the general formula: A + B -> AB.

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What is a Double Replacement Reaction?

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A reaction where two compounds exchange ions or bonds to form two new compounds, represented by the general formula: AB + CD -> AD + CB.

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Example of a Single Replacement Reaction:

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Zn + 2HCl -> ZnCl2 + H2.

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Example of a Decomposition Reaction:

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2H2O -> 2H2 + O2.

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Example of a Combustion Reaction:

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C11H24 + 17O2 -> 11CO2 + 12H2O.

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Example of a Combination Reaction:

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2H2 + O2 -> 2H2O.

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Example of a Double Replacement Reaction:

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Na2S + 2HCl -> 2NaCl + H2S.