5 Questions
What is the general equation for a synthesis reaction?
A + B → AB
Which type of reaction involves the breakdown of a single compound into two or more simpler substances?
Decomposition reaction
What is the general equation for a single displacement reaction?
A + BC → AC + B
What is the result of a single displacement reaction?
The formation of a new compound and the release of the displaced element
Which of the following is an example of a decomposition reaction?
2H2O → 2H2 + O2
Study Notes
Chemical Reactions
Synthesis Reactions
- A type of chemical reaction where two or more substances combine to form a new compound
- Also known as combination reactions
- General equation: A + B → AB
- Examples:
- 2H2 + O2 → 2H2O (formation of water)
- CaO + H2O → Ca(OH)2 (formation of calcium hydroxide)
Decomposition Reactions
- A type of chemical reaction where a single compound breaks down into two or more simpler substances
- Also known as analysis reactions
- General equation: AB → A + B
- Examples:
- 2H2O → 2H2 + O2 (decomposition of water)
- CaCO3 → CaO + CO2 (decomposition of calcium carbonate)
Single Displacement Reactions
- A type of chemical reaction where one element displaces another element from a compound
- Also known as substitution reactions
- General equation: A + BC → AC + B
- Examples:
- Zn + CuSO4 → ZnSO4 + Cu (zinc displaces copper)
- 2Al + Fe2O3 → 2Fe + Al2O3 (aluminum displaces iron)
Note: These reactions involve the replacement of one element by another, resulting in the formation of a new compound and the release of the displaced element.
Test your knowledge of different types of chemical reactions, including synthesis, decomposition, and single displacement reactions. Learn about the general equations and examples of each type.
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