Adsorption

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Adsorption: Overview

This topic covers concepts, such as, Adsorption, Adsorbent, Positive Adsorption & Negative Adsorption etc.

Important Questions on Adsorption

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Adsorption of gases on solid surface is generally exothermic because:

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Rate of physisorption increase with

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Positive adsorption is the adsorption in which the concentration of adsorbate is more on the surface rather than in bulk.

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The adsorption in which the concentration of adsorbate is more on the surface rather than in bulk.

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What do you know about positive adsorption?

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Which of the following result, the chemist must have observed about his studies with KCl solution?

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Which of the following adsorption takes place when dilute KCl solution in contact with blood charcoal.

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What is the example of positive adsorption?

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The molecular species or substance, which concentrates or accumulates at the surface is termed adsorbate.

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Define adsorbate.

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The molecular species or substance, which concentrates or accumulates at the surface is termed _____.

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After the reaction is over between adsorbed reactants, it is important to create space for the other reactant molecules to approach the surface and react. The process responsible for this is known as _____.(desorption/sorption)

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Among physisorption and chemisorption, the adsorption has higher enthalpy of adsorption is _____.

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After the reaction is over between adsorbed reactants, it is important to create space for the other reactant molecules to approach the surface and react. The process responsible for this is known as _____(sorption/desorption)

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what is sorption?

 

A: sorption is a process where both absorption and adsorption takes place at the same time

B: sorption is a process where the adsorbents are removed from the surface of molecule  by heating or reducing pressure

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Heterogeneous catalysis is also referred to as surface catalysis.

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Give two examples of bulk and surface phenomena respectively.

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Which of the following statement is true about the adsorption?

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Which of the following statement is true about the adsorption?

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Write any two examples for absorption process.