Which of the following is not a point of difference between physisorption and chemisorption?
- AMagnitude of chemisorption first increases then decreases but that of physisorption decreases with rise in temperature
- BChemisorption is an irreversible process whereas physisorption is reversible in nature
- CActivation energy is high for physisorption and low for chemisorption
- DPhysisorption results in the formation of multimolecular layer,while only unimolecular layer is formed in case of chemisorption
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Similar Questions
Which one of the following statements is not correct?
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 SolutionWhich plot is the adsorption isobar for chemisorption?
Assertion : The enthalpy of physisorption is greater than chemisorption.
Reason : Molecules of adsorbate and adsorbent are held by van der Waal's forces in physisorption and by chemical bonds in chemisorption.
Reason : Molecules of adsorbate and adsorbent are held by van der Waal's forces in physisorption and by chemical bonds in chemisorption.
MediumAIIMS 2017
View SolutionWhich of the following is not a characteristic of chemisorption?
Medium
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