Which of the following statements regarding adsorption is incorrect?
- AThe extent of adsorption increases with an increase in surface area.
- BPhysical adsorption is an exothermic process,but its enthalpy of adsorption is quite low compared to chemical adsorption.
- CPhysical adsorption is highly specific and it will only occur if there is some possibility of chemical bonding between adsorbent and adsorbate.
- DPhysisorption of a gas adsorbed at low temperature may change into chemisorption at a high temperature.
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Similar Questions
During the adsorption of a gas on a solid at low temperature,which of the following thermodynamic conditions is correct?
Which of the following statements is not correct?
Medium
View SolutionIf $x$ is the amount of adsorbate and $m$ is the amount of adsorbent,which of the following relations is not related to the adsorption process?
The critical temperatures of some gases are given. Which gas shows the least adsorption on a definite amount of charcoal?
Gas Critical Temperature $A$ $304 \ K$ $B$ $630 \ K$ $C$ $200 \ K$ $D$ $540 \ K$
| Gas | Critical Temperature |
|---|---|
| $A$ | $304 \ K$ |
| $B$ | $630 \ K$ |
| $C$ | $200 \ K$ |
| $D$ | $540 \ K$ |
Easy
View SolutionAdsorption of a gas on a surface follows the Freundlich adsorption isotherm. The plot of $\log \frac{x}{m}$ versus $\log P$ gives a straight line with a slope equal to $0.5$. Then,(where $\frac{x}{m}$ is the mass of the gas adsorbed per gram of adsorbent):
DifficultJEE MAIN 2017
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