Electrochemistry Basics Quiz
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Questions and Answers

What is the electrolyte used in the Standard Hydrogen Electrode (SHE)?

  • 1 molar solution of hydrogen ions (H+) (correct)
  • 1 molar solution of sulfuric acid
  • 1 molar solution of potassium hydroxide
  • 1 molar solution of sodium chloride

    • What is produced at the cathode during the reaction in zinc-manganese dioxide batteries?

  • Hydrogen gas (H₂)
  • Zinc ions (Zn²⁺)
  • Ammonia (NH₃)
  • Manganese hydroxide (MnO(OH)) (correct)

    • What is the function of the Standard Hydrogen Electrode (SHE)?

  • To generate electrical energy for devices
  • To act as a rechargeable power source
  • To catalyze chemical reactions
  • To act as a reference electrode for measuring electrode potentials (correct)

    • What happens when zinc chloride (ZnCl₂) interacts with ammonia (NH₃) in the presence of zinc-manganese dioxide batteries?

    <p>It forms a complex, [Zn(NH₃)₄]Cl₂</p> Signup and view all the answers

    What is the reaction at the anode in a zinc-manganese dioxide battery?

    <p>Zn + 2e⁻ → Zn²⁺</p> Signup and view all the answers

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