Which of the following is not a characteristic of chemisorption?

  • A
    Adsorption is irreversible
  • B
    Adsorption is specific
  • C
    $\Delta H$ is of the order of $540 \, kJ/mol$
  • D
    Adsorption increases with increase of surface area

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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:

The Langmuir adsorption isotherm is deduced using the assumption that:

The correct order of adsorption of the following gases on the surface of charcoal is: $H_2$ $(I)$,$CH_4$ $(II)$,$SO_2$ $(III)$.

What is the effect of pressure on the extent of adsorption?

Which plot is the adsorption isobar for chemisorption where $x$ is the amount of gas adsorbed on mass $m$ at temperature $T$?

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