Types of reactions

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What is a Double Replacement Reaction?

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A chemical reaction where two compounds exchange ions to form two new compounds. Example: PbCl2 + AgNO3 → Pb(NO3)2 + AgCl.

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What is a Synthesis Reaction?

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A type of reaction where two or more reactants combine to form a single product. Example: 4Si + S8 → 2Si2S4.

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What is a Single Replacement Reaction?

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A reaction where one element replaces another in a compound. General formula: A + BC → B + AC. Example: Zn + CuSO4 → ZnSO4 + Cu.

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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. Example: 2H2O → 2H2 + O2.

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What is the general formula for a Double Replacement Reaction?

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AB + CD → CB + AD.

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What is the general formula for a Synthesis Reaction?

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A + B → AB.

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What is the general formula for a Single Replacement Reaction?

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A + BC → B + AC.

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What is the general formula for a Decomposition Reaction?

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AB → A + B.

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What is a Combustion Reaction?

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A reaction where a substance combines with oxygen, releasing energy in the form of light or heat. Example: CH4 + 2O2 → CO2 + 2H2O.

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What is an example of a Double Replacement Reaction?

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Na2SO4 + BaCl2 → BaSO4 + 2NaCl.