Types of Reactions

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What is a Double Displacement Reaction?

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A chemical reaction where two compounds exchange ions or bonds to form two new compounds. Example: 3KOH + H₃PO₄ → K₃PO₄ + 3H₂O.

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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 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: C₄H₁₂ + O₂ → CO₂ + H₂O.

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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: A + BC → AC + B.

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What is a Double Replacement Reaction?

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A reaction where the anions and cations of two different compounds switch places, forming two new compounds. Example: PbCl₂ + AgNO₃ → Pb(NO₃)₂ + AgCl.

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What is the general form of a Synthesis Reaction?

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A + B → AB, where A and B are reactants that combine to form a single product AB.

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What is the general form of a Decomposition Reaction?

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AB → A + B, where a single compound breaks down into two or more simpler products.

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What is the general form of a Single Replacement Reaction?

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A + BC → AC + B, where an element A replaces another element B in a compound BC.

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What is the general form of a Double Replacement Reaction?

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AB + CD → AD + CB, where the anions and cations of two different compounds switch places.

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What is an example of a Decomposition Reaction?

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2H₂O → 2H₂ + O₂, where water decomposes into hydrogen and oxygen.