Question:
Which one of the following is a case of negative adsorption?
Which one of the following is a case of negative adsorption?
Updated On: Apr 23, 2024
- Acetic acid solution in contact with animal charcoal.
- Dilute $KCl$ solution in contact with blood charcoal.
- Concentration $KCl$ solution in contact with blood charcoal.
- $H_2$ gas in contact with charcoal at $300$
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The Correct Option is B
Solution and Explanation
When the concentration of the adsorbate is less on the surface relative to its concentration in the bulk it is called negative adsorption. Add from left in this adsorption, concentration of dilute $KCl$ solution is less on the surface of blood charcoal relative to its concentration in solution.
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Concepts Used:
Adsorption
Heinrich Kayser, the German physicist was the first to coin the term adsorption. Adsorption can be explained as a surface phenomenon where particles remain attached on the top of a material. Generally, it comprises the molecules, atoms, liquid, solid in a dissolved stage, even the ions of a gas that are attached to the surface. Much to our surprise, the consequence of surface energy i.e. adsorption is present in biological, physical, chemical, and natural systems and are used in many industrial applications.
