Electrochemistry Quiz
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Questions and Answers

In electrochemistry, what separates the electrodes?

  • An ionically conducting and electronically insulating electrolyte (correct)
  • An external electrical circuit
  • An ionic species in a solution
  • An electronically-conducting phase
  • What distinguishes an electrochemical reaction from a conventional chemical reaction?

  • Electrons are transferred via an electronically-conducting circuit (correct)
  • Electrons are directly transferred between atoms, ions, or molecules
  • Electrons are transferred through an electrically insulating electrolyte
  • Electrons are transferred without the need for an electrical circuit
  • What is the branch of physical chemistry concerned with the relationship between electrical potential difference and identifiable chemical change?

  • Electric battery or fuel cell
  • Electrochemistry (correct)
  • Electrolysis
  • Electroless plating
  • When is a chemical reaction called an electrochemical reaction?

    <p>When driven by an electrical potential difference or when a potential difference results from a chemical reaction</p> Signup and view all the answers

    How do electrons move in electrochemical reactions?

    <p>Via an electronically-conducting phase between electrodes separated by an ionically conducting and electronically insulating electrolyte</p> Signup and view all the answers

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