$A$ particular adsorption process has the following characteristics: $(i)$ It arises due to van der Waals forces and $(ii)$ it is reversible. Identify the correct statement that describes the above adsorption process.
- AAdsorption is monolayer.
- BAdsorption increases with increase in temperature.
- CEnthalpy of adsorption is greater than $100 \ kJ \ mol^{-1}$.
- DEnergy of activation is low.
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Adsorption of a gas on an adsorbent follows Freundlich adsorption isotherm. The slope and intercept (on $y$-axis) of the isotherm are $0.5$ and $1.0$ respectively. What is the value of $\frac{x}{m}$, when the pressure of the gas $(p)$ is $100 \ atm$?
What do you understand by activation of adsorbent? How is it achieved?
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View SolutionWhich of the following is not a characteristic of chemisorption?
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View SolutionThe number of incorrect statement/s from the following is/are:
$A.$ Water vapours are adsorbed by anhydrous calcium chloride.
$B.$ There is a decrease in surface energy during adsorption.
$C.$ As the adsorption proceeds,$\Delta H$ becomes more and more negative.
$D.$ Adsorption is accompanied by decrease in entropy of the system.
$A.$ Water vapours are adsorbed by anhydrous calcium chloride.
$B.$ There is a decrease in surface energy during adsorption.
$C.$ As the adsorption proceeds,$\Delta H$ becomes more and more negative.
$D.$ Adsorption is accompanied by decrease in entropy of the system.
DifficultJEE MAIN 2023
View SolutionDuring the adsorption of krypton on activated charcoal at low temperature,
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