Worksheet: Electrochemical Measurements

In this worksheet, we will practice describing electrochemical procedures such as electroplating, coulometry, and cyclic voltammetry.


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

  • Asilver/silver chloride electrode
  • Bmetallic electrode of the second kind
  • Cmetallic electrode of the first kind
  • Dsaturated calomel electrode
  • Ereference electrode


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

  • AAmperometry
  • BCyclic voltammetry
  • CStripping voltammetry
  • DHydrodynamic voltammetry
  • EPolarography


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


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

  • AJunction
  • BOsmotic
  • CBridging
  • DCoulombic
  • EReference


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

  • Apotential only
  • Bcurrent only
  • Ccurrent versus electrochemical potential
  • Dcurrent versus time
  • Eelectrochemical potential versus time


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

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


Which of the following is a static electrochemical technique?

  • AControlled-current coulometry
  • BAmperometry
  • CControlled-potential coulometry
  • DPotentiometry
  • ECyclic voltammetry

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