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: NaCl + AgNO3 → NaNO3 + AgCl.

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What is a Decomposition Reaction?

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A type of reaction where a single compound breaks down into two or more simpler products. Example: Al(OH)3 → Al2O3 + H2O.

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What is an Endothermic Reaction?

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A reaction that absorbs energy from its surroundings, often in the form of heat. Example: Photosynthesis.

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What is a Single Displacement Reaction?

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A reaction where one element replaces another element in a compound. Example: Zn + CuSO4 → ZnSO4 + Cu.

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What is an Exothermic Reaction?

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A reaction that releases energy, usually in the form of heat. Example: Combustion of fuels.

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What is a Synthesis Reaction?

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A reaction where two or more simple substances combine to form a more complex product. Example: 2H2 + O2 → 2H2O.

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What is the role of energy in Endothermic Reactions?

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Energy is a reactant that is absorbed during the reaction.

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What happens to energy in Exothermic Reactions?

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Energy is released into the surroundings.

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What is the general equation for a Double Displacement Reaction?

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AB + CD → AD + CB, where A and C are cations and B and D are anions.

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What is the general equation for a Decomposition Reaction?

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AB → A + B, where a compound breaks down into its components.