Displacement Reaction in Chemistry
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Questions and Answers

What is the main characteristic of a displacement reaction?

  • One element displaces another element from a compound (correct)
  • A compound is broken down into two elements
  • Two elements combine to form a compound
  • An element is added to a compound

    • What determines the outcome of a displacement reaction?

  • The concentration of the reactants
  • The presence of catalysts or inhibitors
  • The reactivity of the elements involved (correct)
  • The temperature of the reaction

    • What type of displacement reaction involves a more reactive metal displacing a less reactive metal?

  • Non-metal displacement
  • Metal displacement (correct)
  • Hydrogen displacement
  • Acid displacement

    • What is an example of a hydrogen displacement reaction?

    <p>Sodium displacing hydrogen from water</p> Signup and view all the answers

    What can affect the rate of a displacement reaction?

    <p>The reactivity of the elements, concentration of the reactants, temperature, and presence of catalysts or inhibitors</p> Signup and view all the answers

    What is the general formula for a displacement reaction?

    <p>AB + C → AC + B</p> Signup and view all the answers

    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.

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