Redox Properties of Metals Quiz
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Questions and Answers

Based on the described experiments, which metal can displace both copper and silver from their respective salt solutions?

  • Silver
  • Zinc (correct)
  • Iron
  • Copper
  • Which of the following metals reacts most vigorously with dilute sulfuric acid ($H_2SO_4$) according to the information provided?

  • Copper (Cu)
  • Zinc (Zn)
  • Iron (Fe)
  • Magnesium (Mg) (correct)
  • Which of the following statements best describes the relationship between a metal's position in the activity series and its reactivity?

  • Metals at the top of the series are more reactive. (correct)
  • Metals at the top of the series are less reactive.
  • Metals at the bottom of the series are more reactive.
  • There is no correlation between a metal's position and its reactivity.
  • If metal 'X' can displace metal 'Y' from its salt solution, but cannot displace metal 'Z', what is the correct order of reactivity, from most to least reactive?

    <p>Z &gt; X &gt; Y (A)</p> Signup and view all the answers

    Based on the observations, which of the following reactions would you expect to occur?

    <p>Fe + $H_2SO_4$ → $FeSO_4$ + $H_2$ (D)</p> Signup and view all the answers

    If a new metal 'Q' is able to displace zinc from zinc sulfate ($ZnSO_4$), what can you infer about its position relative to zinc in the activity series?

    <p>Q is above zinc in the activity series. (D)</p> Signup and view all the answers

    Which of the following is the correct oxidation half-reaction when zinc displaces copper from a copper sulfate ($CuSO_4$) solution?

    <p>Zn → $Zn^{2+}$ + 2e⁻ (D)</p> Signup and view all the answers

    Based on the described experiments, what is the role of hydrogen ($H_2$) in the activity series of metals?

    <p>Hydrogen is a reference point for the ability of metals to displace it from acids. (A)</p> Signup and view all the answers

    Flashcards

    Displacement Reaction

    A chemical reaction where one element displaces another in a compound.

    Copper Displacement

    Copper cannot displace silver from silver nitrate solution.

    Zinc Reactivity

    Zinc displaces copper and silver from their salt solutions.

    Hydrogen Displacement

    More reactive metals displace hydrogen from acids.

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    Activity Series

    A ranking of metals based on their reactivity.

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    Metal Reactivity Order

    Magnesium displaces hydrogen most vigorously, followed by zinc, iron, and copper.

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    Chemical Equation for Zn and CuSO4

    Zn + CuSO4 → ZnSO4 + Cu represents the reaction involving zinc and copper sulfate.

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    Chemical Equation for Zn and AgNO3

    Zn + 2AgNO3 → Zn(NO3)2 + 2Ag shows zinc displacing silver.

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    Study Notes

    Redox Properties of Metals

    • Metals can displace other metals from their salt solutions.
    • The reactivity series demonstrates the ability of metals to displace other metals from salt solutions.
    • Zinc displaces copper from copper sulfate solution.
    • Zinc displaces silver from silver nitrate solution.
    • Copper does not displace zinc from zinc sulfate solution.
    • Silver is not displaced from its salt solution by copper.
    • Displacement reactions involve oxidation and reduction.
    • Zinc is oxidized (loses electrons), and copper ions are reduced (gain electrons).
    • Metals at the top of the reactivity series are more reactive than those below, readily displacing other metals from their solutions.

    Metal Displacement Reactions

    • Displacement reactions involve a more reactive metal displacing a less reactive metal from a solution of its salt.
    • Chemical equations indicate reactants, products, and oxidation states.
    • The reactivity series shows that metals decrease in reactivity from top to bottom.
    • Metals at the top of the reactivity series can displace hydrogen from acids.
    • Metals below hydrogen in the reactivity series cannot displace hydrogen from acids.

    Hydrogen Displacement

    • Some metals react with acids to liberate hydrogen gas.
    • The reactivity of a metal determines its ability to displace hydrogen from acids.
    • Metals like magnesium, zinc, and iron react with acids, releasing hydrogen gas.
    • Copper and silver are less reactive and won't displace hydrogen.

    Reactivity Series

    • The reactivity series ranks metals based on their ability to displace other metals or hydrogen from solutions.
    • Metals at the top are more reactive than those further down.
    • The reactivity series is crucial to predicting displacement reactions.
    • Understanding the reactivity series helps predict if a metal will displace another in a reaction.

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    Description

    Test your understanding of redox properties and metal displacement reactions in this quiz. It covers key concepts including the reactivity series and how various metals interact in displacement reactions. See how well you can apply these important chemistry principles!

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