Ion-Ion Interactions

  • Maria E. Gamboa-Adelco
  • Robert J. Gale


Describe and give examples of ionophore, ionogen, strong and waek electrolyte. Why is the charge density around a reference ion not zero when the whole solution is electroneutral? Explain succinctly the Debye-Hückel approach to their ionic-cloud theory. Mention the main steps involved in this theory as well as the assumptions involved in its development. Write the linearized Poisson-Boltzmann equation and the time-average spatial distribution of the excess charge density around a reference ion. What is the total ionic-cloud charge around a reference ion? Draw the variation of the electrostatic potential and the excess-charge density as a function of the distance from the central ion. What does K- 1 represent? Write expressions for the Debye-Hückel length, the total electrostatic potential, the potential due to the isolated central ion, and the potential due to the ionic cloud. What is the physical meaning of effective thickness of the ion atmosphere?


Ionic Strength Activity Coefficient Ionic Cloud Excess Charge Ionic Atmosphere 
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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • Maria E. Gamboa-Adelco
    • 1
  • Robert J. Gale
    • 2
  1. 1.SuperiorUSA
  2. 2.Louisiana State UniversityBaton RougeUSA

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