Which one of the following characteristics is associated with adsorption?
- A$\Delta G$ and $\Delta H$ are negative but $\Delta S$ is positive.
- B$\Delta G$ and $\Delta S$ are negative but $\Delta H$ is positive.
- C$\Delta G$ is negative but $\Delta H$ and $\Delta S$ are positive.
- D$\Delta G, \Delta H$ and $\Delta S$ all are negative.
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Similar Questions
Given below are two statements: one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.
Assertion $(A)$: In expensive scientific instruments,silica gel is kept in watch-glasses or in semipermeable membrane bags.
Reason $(R)$: Silica gel adsorbs moisture from air via adsorption,thus protects the instrument from water corrosion (rusting) and/or prevents malfunctioning.
In the light of the above statements,choose the correct answer from the options given below:
Assertion $(A)$: In expensive scientific instruments,silica gel is kept in watch-glasses or in semipermeable membrane bags.
Reason $(R)$: Silica gel adsorbs moisture from air via adsorption,thus protects the instrument from water corrosion (rusting) and/or prevents malfunctioning.
In the light of the above statements,choose the correct answer from the options given below:
Adsorption is always
Easy
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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:
The charge on $Fe(OH)_3$ sol is due to the adsorption of which of the following?
Medium
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