Electrochemical Cell Overview
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Questions and Answers

What is the main function of an electrolytic cell?

  • Generate electricity from a chemical reaction
  • Drive a chemical reaction using electricity (correct)
  • Separate the anode and cathode
  • Allow ions to flow between two cells

    • In an electrochemical cell, what role does the salt bridge play?

  • Provides electrons for the chemical reaction
  • Allows ions to flow between two half-cells (correct)
  • Acts as the source of electricity
  • Connects the anode and cathode physically

    • Which components are necessary for an electrochemical cell to function properly?

  • Electrodes, electrolyte solution, and half-cells
  • Anode, cathode, and wire
  • Anode, cathode, and salt bridge (correct)
  • Electrolyte solution, metal wire, and salt bridge

    • What is the purpose of using Zinc and Iron as electrodes in a voltaic cell?

    <p>To allow electrons to move through the metals (B)</p> Signup and view all the answers

    How do voltaic cells differ from electrolytic cells?

    <p>Voltaic cells use electricity to drive a reaction, while electrolytic cells generate electricity. (D)</p> Signup and view all the answers

    What is the purpose of the electrolyte solution in an electrochemical cell?

    <p>To provide ions for the chemical reaction (B)</p> Signup and view all the answers

    What drives the chemical reaction in a voltaic cell?

    <p>Movement of electrons from anode to cathode (D)</p> Signup and view all the answers

    What is the role of the anode in an electrochemical cell?

    <p>Electron donor (A)</p> Signup and view all the answers

    In a Galvanic cell, how is the anode and cathode polarity arranged?

    <p>Anode is negative and cathode is positive (A)</p> Signup and view all the answers

    What type of reaction occurs at the anode in an electrochemical cell?

    <p>Oxidation (B)</p> Signup and view all the answers

    What is the purpose of the salt bridge in an electrochemical cell?

    <p>To allow the flow of electrons between half-cells (D)</p> Signup and view all the answers

    Which electrode half-reaction is written on the right side in cell notation?

    <p>Reduction half-reaction (C)</p> Signup and view all the answers

    What does E cell represent in an electrochemical cell?

    <p>Electrochemical potential of the cell (D)</p> Signup and view all the answers

    How are anode and cathode typically identified in cell notation?

    <p><strong>Anode to left, cathode to right</strong> (A)</p> Signup and view all the answers

    What are the main components of an electrochemical cell?

    <p>Anode, cathode, and electrolyte (D)</p> Signup and view all the answers

    Which type of electrochemical cell requires a source of electricity to drive the chemical reaction?

    <p>Electrolytic cell (A)</p> Signup and view all the answers

    What is the function of the salt bridge in an electrochemical cell?

    <p>Allows ions to flow to complete the electrical circuit (D)</p> Signup and view all the answers

    Which metal conductors are commonly used as electrodes in electrochemical cells?

    <p>Zinc and Iron (B)</p> Signup and view all the answers

    In a voltaic cell, what is responsible for generating electricity?

    <p>Anode and cathode (B)</p> Signup and view all the answers

    What drives the chemical reaction in an electrolytic cell?

    <p>Electrons from an external source (C)</p> Signup and view all the answers

    Why do metals like Zinc and Iron corrode or break down when used as electrodes in electrochemical cells?

    <p>Due to high reactivity causing electron movement (A)</p> Signup and view all the answers

    Which electrode is the electron donor in an electrochemical cell?

    <p>Anode (D)</p> Signup and view all the answers

    What type of reaction occurs at the cathode in an electrochemical cell?

    <p>Reduction (B)</p> Signup and view all the answers

    What happens to electrons at the anode in an electrochemical cell?

    <p>They are released (A)</p> Signup and view all the answers

    In a Galvanic cell, which electrode is positive?

    <p>Cathode (A)</p> Signup and view all the answers

    What is the purpose of using reactive metals as electrodes in electrochemical cells?

    <p>To facilitate oxidation and reduction reactions (C)</p> Signup and view all the answers

    How is the cell notation arranged to identify the cathode and anode?

    <p>Anode on the left, cathode on the right (A)</p> Signup and view all the answers

    What does E cell represent in an electrochemical cell?

    <p>Difference in potential between anode and cathode (C)</p> Signup and view all the answers

    What drives the flow of electrons from the anode to the cathode in an electrochemical cell?

    <p>Potential difference between anode and cathode (C)</p> Signup and view all the answers

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