Which of the following is not a characteristic of physical adsorption?
- AAdsorption on solids is reversible.
- BAdsorption increases with an increase in temperature.
- CAdsorption is spontaneous.
- DBoth enthalpy and entropy are negative.
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Similar Questions
According to the Freundlich adsorption isotherm,which of the following is correct?
MediumAIEEE 2012
View SolutionIn Freundlich adsorption isotherm at moderate pressure,the extent of adsorption $\left(\frac{x}{m}\right)$ is directly proportional to $P^x$. The value of $x$ is
Which of the following relationships is correct regarding the Freundlich adsorption isotherm?
$(1)$ $x/m = \text{constant}$ (at high pressure)
$(2)$ $x/m = k \cdot P^{1/n}$ (at intermediate pressure)
$(3)$ $x/m = k \cdot P$ (at low pressure)
$(1)$ $x/m = \text{constant}$ (at high pressure)
$(2)$ $x/m = k \cdot P^{1/n}$ (at intermediate pressure)
$(3)$ $x/m = k \cdot P$ (at low pressure)
Easy
View SolutionWhen temperature is increased,what happens to the extent of adsorption in physisorption?
Easy
View SolutionWhich of the following statements is correct for the spontaneous adsorption of a gas?
MediumNEET 2014
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