Which of the following is true with respect to chemical adsorption?
- A$ \Delta H < 0, \Delta S > 0, \Delta G > 0 $
- B$ \Delta H < 0, \Delta S < 0, \Delta G < 0 $
- C$ \Delta H > 0, \Delta S > 0, \Delta G < 0 $
- D$ \Delta H > 0, \Delta S < 0, \Delta G > 0 $
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For the Freundlich adsorption isotherm,a graph of $\log \frac{x}{m}$ is plotted against $\log P$. The slope of the line and its $y$-axis intercept,respectively,correspond to:
Freundlich adsorption isotherms for the physical adsorption of a gas at temperatures $T_1$,$T_2$ and $T_3$ are shown in the graph given below. The correct relationship between $T_1$,$T_2$ and $T_3$ is:
Assertion : In chemisorption,adsorption first increases with temperature and then decreases.
Reason : Heat keeps on providing more and more activation energy.
Reason : Heat keeps on providing more and more activation energy.
DifficultAIIMS 2009
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?
Which of the following statements is incorrect?
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