Which of the following statements is incorrect?
- AThe extent of adsorption increases with an increase in pressure.
- BThe extent of adsorption decreases with an increase in temperature.
- CAdsorption can be unimolecular or multimolecular.
- DThe particle size of the adsorbent does not affect the value 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:
Which of the following is incorrect for physisorption?
Easy
View SolutionThe curve that best describes the adsorption of a gas $(x \, g)$ on $1.0 \, g$ of a solid substrate as a function of pressure $(p)$ at a fixed temperature is
Which of the following statements is not correct?
Medium
View SolutionWhich of the following becomes less than zero during the process of adsorption?
Easy
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