Types of Chemical Reactions

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What is a Synthesis Reaction?

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A type of chemical reaction where two or more simple substances combine to form a more complex product. Example: 2 Na + Br2 → 2 NaBr.

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What is a Decomposition Reaction?

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A chemical reaction that breaks down a compound into two or more simpler substances. Example: 2 H2O → 2 H2 + O2.

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What is a Single Replacement Reaction?

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A reaction where one element replaces another in a compound. Example: Cl2 + 2KI → I2 + 2KCl.

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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. Example: AgNO3 + NaCl → AgCl + NaNO3.

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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. Example: CH4 + 2 O2 → CO2 + 2 H2O.

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What is the general form of a Synthesis Reaction?

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A + B → AB.

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What is the general form of a Decomposition Reaction?

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AB → A + B.

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What is the general form of a Single Replacement Reaction?

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A + BC → AC + B.

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What is the general form of a Double Replacement Reaction?

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AB + CD → AD + CB.

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What is the general form of a Combustion Reaction?

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Hydrocarbon + O2 → CO2 + H2O.