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Questions and Answers
What is the main characteristic of a displacement reaction?
What is the main characteristic of a displacement reaction?
What determines the outcome of a displacement reaction?
What determines the outcome of a displacement reaction?
What type of displacement reaction involves a more reactive metal displacing a less reactive metal?
What type of displacement reaction involves a more reactive metal displacing a less reactive metal?
What is an example of a hydrogen displacement reaction?
What is an example of a hydrogen displacement reaction?
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What can affect the rate of a displacement reaction?
What can affect the rate of a displacement reaction?
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What is the general formula for a displacement reaction?
What is the general formula for a displacement reaction?
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Study Notes
Displacement Reaction
A displacement reaction, also known as a single displacement reaction or substitution reaction, is a type of chemical reaction where an atom or a group of atoms in a molecule is replaced by another atom or group of atoms.
Characteristics:
- One element displaces another element from a compound
- The reactivity of the elements involved determines the outcome of the reaction
- The more reactive element displaces the less reactive element
Types of Displacement Reactions:
- Metal displacement: a more reactive metal displaces a less reactive metal from its compound
- Non-metal displacement: a more reactive non-metal displaces a less reactive non-metal from its compound
- Hydrogen displacement: a more reactive element displaces hydrogen from water or an acid
Examples:
- Zinc displacing copper from copper sulfate: Zn + CuSO₄ → ZnSO₄ + Cu
- Chlorine displacing iodine from potassium iodide: Cl₂ + 2KI → 2KCl + I₂
- Sodium displacing hydrogen from water: 2Na + 2H₂O → 2NaOH + H₂
Factors Affecting Displacement Reactions:
- Reactivity of the elements involved
- Concentration of the reactants
- Temperature
- Presence of catalysts or inhibitors
Displacement Reaction
- A type of chemical reaction where an atom or a group of atoms in a molecule is replaced by another atom or group of atoms.
Characteristics
- One element displaces another element from a compound.
- The reactivity of the elements involved determines the outcome of the reaction.
- The more reactive element displaces the less reactive element.
Types of Displacement Reactions
- Metal displacement: a more reactive metal displaces a less reactive metal from its compound.
- Non-metal displacement: a more reactive non-metal displaces a less reactive non-metal from its compound.
- Hydrogen displacement: a more reactive element displaces hydrogen from water or an acid.
Examples
- Zinc displacing copper from copper sulfate: Zn + CuSO₄ → ZnSO₄ + Cu.
- Chlorine displacing iodine from potassium iodide: Cl₂ + 2KI → 2KCl + I₂.
- Sodium displacing hydrogen from water: 2Na + 2H₂O → 2NaOH + H₂.
Factors Affecting Displacement Reactions
- Reactivity of the elements involved.
- Concentration of the reactants.
- Temperature.
- Presence of catalysts or inhibitors.
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Description
Learn about displacement reactions, also known as single displacement reactions, where an atom or group of atoms is replaced by another in a chemical reaction.
