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Questions and Answers
What is the primary characteristic of a synthesis reaction?
What is the primary characteristic of a synthesis reaction?
- Two or more simpler elements/compounds combine to form a more complex compound. (correct)
- An element displaces another element in a compound.
- Heat is required for the reaction to occur.
- One complex compound breaks down into simpler compounds.
Which equation correctly represents a decomposition reaction?
Which equation correctly represents a decomposition reaction?
- Ca + 2AgCl → 2Ag + CaCl₂
- 2H₂ + O₂ → 2H₂O
- 2KClO₃ Δ→ 2KCl + 3O₂ (correct)
- A + BC → B + AC
In a single displacement reaction, what typically occurs?
In a single displacement reaction, what typically occurs?
- A compound gains electrons and becomes a complex molecule.
- A complex molecule splits into simpler substances.
- Two or more compounds combine to form a single product.
- An element takes the place of another element within a compound. (correct)
Which of the following is NOT a necessary condition for a decomposition reaction to occur?
Which of the following is NOT a necessary condition for a decomposition reaction to occur?
What is the general equation format for a synthesis reaction?
What is the general equation format for a synthesis reaction?
Flashcards
Synthesis Reaction
Synthesis Reaction
Two or more simpler elements or compounds combine to form one more complex compound.
Decomposition Reaction
Decomposition Reaction
One complex compound breaks down into two or more simpler elements or compounds.
Single Displacement Reaction
Single Displacement Reaction
A reaction where one element replaces another element in a compound, often involving metals.
Catalyst
Catalyst
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Thermal Decomposition
Thermal Decomposition
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Study Notes
Types of Chemical Reactions
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Synthesis: Two or more simple elements/compounds combine to form one more complex compound.
- Example: A + B → AB
- Example: 2H₂ + O₂ → 2H₂O
-
Decomposition: One complex compound breaks down into two or more simpler elements/compounds.
- Example: AB → A + B
- Example: 2KCIO₃ → 2KCI + 3O₂ (needs heat)
- Note: Thermal decomposition reactions require heat, and are endothermic.
- Note: Catalysts increase the reaction rate without being used up in the reaction.
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Single Displacement: One element replaces another element in a compound.
- Example of Metal Displacement (A, B are metals): A + BC → B + AC
- Example: Ca + 2AgCl → 2Ag + CaCl₂
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Description
Test your understanding of the different types of chemical reactions, including synthesis, decomposition, and single displacement. This quiz will help reinforce your knowledge with examples for each reaction type. Perfect for chemistry students looking to solidify their grasp of reaction mechanisms.
