Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.

Lesson: Electrochemical Measurements

Worksheet • 7 Questions


What name is given to the potential that develops at the interface of two solutions due to differences in concentration and ionic mobility?

  • AJunction
  • BReference
  • COsmotic
  • DCoulombic
  • EBridging


Which of the following is a static electrochemical technique?

  • APotentiometry
  • BAmperometry
  • CControlled-current coulometry
  • DCyclic voltammetry
  • EControlled-potential coulometry


Fill in the blank. Coulometric techniques result in a plot of .

  • ACurrent versus time
  • BPotential only
  • CElectrochemical potential versus time
  • DCurrent only
  • ECurrent versus electrochemical potential


Which term best describes a silver wire that is used to measure the concentration of bromide ions in an aqueous solution?

  • AMetallic electrode of the second kind
  • BReference electrode
  • CSaturated calomel electrode
  • DSilver/silver chloride electrode
  • EMetallic electrode of the first kind


Which of the following statements about the standard hydrogen electrode, the calomel electrode, and the silver/silver chloride electrode is true?

  • AThese electrodes are typically used as reference electrodes.
  • B These electrodes have the same electrochemical potential.
  • CThese electrodes combine to make a complete electrochemical cell.
  • DThese electrodes are examples of membrane electrodes.
  • EThese electrodes are typically used as working (indicator) electrodes.


One electrochemical technique involves first depositing an analyte on the surface of an electrode, then using an applied current to remove the analyte via a reduction or oxidation reaction. What is this method called?

  • AStripping voltammetry
  • BCyclic voltammetry
  • CHydrodynamic voltammetry
  • DPolarography
  • EAmperometry


Cd wire used to measure the concentration of cadmium ions is an example of a .

  • Ametallic electrode of the first kind
  • Bsilver/silver chloride electrode
  • Cmetallic electrode of the second kind
  • Dreference electrode
  • Esaturated calomel electrode