Electrochemical Reactions and Galvanic Cells Quiz
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Questions and Answers

What is the main principle used in blood gas analysis?

  • Spectrophotometry
  • Galvanic cell (correct)
  • Potentiometry
  • Electrolytic cell
  • Which metals are examples of inert metals used to record the redox potential of a redox couple?

  • Iron and Zinc
  • Nickel and Aluminum
  • Copper and Silver
  • Gold and Platinum (correct)
  • What is the main application of potentiometric methods in clinical settings?

  • Measurement of ions like sodium and potassium (correct)
  • Checking respiratory rate
  • Measurement of blood pressure
  • Measuring heart rate
  • What is the main function of an Ag-AgCl electrode?

    <p>Metal electrode in a redox couple</p> Signup and view all the answers

    Which type of membrane is specific to a particular analyte in potentiometric electrodes?

    <p>Selective membrane</p> Signup and view all the answers

    In which process does spectrophotometry primarily involve?

    <p>Measurement of color intensity</p> Signup and view all the answers

    What is the primary use of a reference electrode in an electrochemical cell?

    <p>Provide a stable reference potential</p> Signup and view all the answers

    What is the purpose of the reference electrode in an electrochemical cell?

    <p>Generates a constant voltage to the meter</p> Signup and view all the answers

    Which type of membrane is used in Ca2+ selective electrodes?

    <p>Glass membrane</p> Signup and view all the answers

    What is the range of concentration typically covered by Nernst type response in ion-selective electrodes?

    <p>$10^{-5}$ to $10^{-1}$ M</p> Signup and view all the answers

    What contributes to the membrane potential of an electrode according to the text?

    <p>Combined activity and selectivity constant of ions</p> Signup and view all the answers

    Which material is NOT typically used in medical applications for ion-selective electrodes?

    <p>Metallic alloys</p> Signup and view all the answers

    What is the main function of a neutral carrier membrane in an ion-selective electrode?

    <p>Detect and selectively bind specific ions</p> Signup and view all the answers

    How does a liquid ion exchanger differ from a solid ion exchange membrane in ion-selective electrodes?

    <p>Solid membranes are more resistant to fouling</p> Signup and view all the answers

    What does the membrane potential of an electrode depend on according to the text?

    <p>Weighted sum of all ions present in the solution</p> Signup and view all the answers

    Which type of electrode has an absolute potential and delivers a constant voltage to the meter?

    <p>Reference electrode</p> Signup and view all the answers

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