Which of the following is $NOT$ a characteristic of physical adsorption?
- AAdsorption on a solid is reversible.
- BAdsorption increases with an increase in temperature.
- CAdsorption is instantaneous.
- DBoth enthalpy and entropy of adsorption are negative.
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$(i)$ Freundlich isotherm fails at high pressure of the gas.
$(ii)$ $\Delta H < 0$ for both physical and chemical adsorption.
$(iii)$ Physical adsorption is non-selective.
$(iv)$ Chemical adsorption is reversible,whereas physical adsorption is irreversible.
$(i)$ Freundlich isotherm fails at high pressure of the gas.
$(ii)$ $\Delta H < 0$ for both physical and chemical adsorption.
$(iii)$ Physical adsorption is non-selective.
$(iv)$ Chemical adsorption is reversible,whereas physical adsorption is irreversible.
The correct statement for both the processes of physisorption and chemisorption is
DifficultAIEEE 2012
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