If the adsorbate is held on a surface by weak Van der Waals forces,the adsorption process is called:
- APhysical adsorption
- BChemical adsorption
- CHeat of adsorption
- DEnthalpy of adsorption
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Similar Questions
Two statements are given below.
Statement-$I$: Adsorption of a gas on the surface of charcoal is primarily an exothermic reaction.
Statement-$II$: $A$ closed vessel contains $O_2, H_2, Cl_2, NH_3$ gases. Its pressure is $P \ atm$. About $1 \ g$ of charcoal is added to this vessel and after some time its pressure was found to be less than $P \ atm$.
The correct answer is:
Statement-$I$: Adsorption of a gas on the surface of charcoal is primarily an exothermic reaction.
Statement-$II$: $A$ closed vessel contains $O_2, H_2, Cl_2, NH_3$ gases. Its pressure is $P \ atm$. About $1 \ g$ of charcoal is added to this vessel and after some time its pressure was found to be less than $P \ atm$.
The correct answer is:
What type of phenomenon is adsorption? What type of reaction is adsorption?
Medium
View SolutionWhich of the following statements is correct for physisorption?
The correct statement for both the processes of physisorption and chemisorption is
DifficultAIEEE 2012
View SolutionExplain the characteristics of physisorption and chemisorption.
Difficult
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