What is the difference between physisorption | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(N/A) FeaturePhysisorption vs. Chemisorption$1$. Nature of forces$Physisorption$ involves weak van der Waal's forces,whereas $Chemisorption$ involves

Vedclass · Accepted Answer

Vedclass · Answer

(N/A) FeaturePhysisorption vs. Chemisorption$1$. Nature of forces$Physisorption$ involves weak van der Waal's forces,whereas $Chemisorption$ involves strong chemical bonds.$2$. Compound formationNo new compound is formed in $Physisorption$,while new compounds are formed in $Chemisorption$.$3$. Reversibility$Physisorption$ is generally reversible,whereas $Chemisorption$ is usually irreversible.$4$. Enthalpy of adsorption$Physisorption$ has low enthalpy $(20-40 \ kJ \ mol^{-1})$,while $Chemisorption$ has high enthalpy $(40-400 \ kJ \ mol^{-1})$.$5$. Temperature dependence$Physisorption$ is favored by low temperature,while $Chemisorption$ is favored by high temperature.$6$. Molecular layer$Physisorption$ is multi-layer,whereas $Chemisorption$ is mono-layer.

What is the difference between physisorption and chemisorption?

Similar Questions

The adsorbent used in adsorption chromatography is/are:
$A$. silica gel
$B$. alumina
$C$. quick lime
$D$. magnesia
Choose the most appropriate answer from the options given below:

Adsorption of a gas follows Freundlich adsorption isotherm. If $x$ is the mass of the gas adsorbed on mass $m$ of the adsorbent,the correct plot of $\frac{x}{m}$ versus $p$ is:

$A$ particular adsorption process has the following characteristics: $(i)$ It arises due to van der Waals forces and $(ii)$ it is reversible. Identify the correct statement that describes the above adsorption process.

The graph given below shows the relationship between the extent of adsorption $(x / m)$ and pressure at different temperatures. The correct order of temperatures for curves $i$,$ii$,and $iii$ is:

When temperature is increased,what happens to the extent of adsorption in physisorption?

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Feature	Physisorption vs. Chemisorption
$1$. Nature of forces	$Physisorption$ involves weak van der Waal's forces,whereas $Chemisorption$ involves strong chemical bonds.
$2$. Compound formation	No new compound is formed in $Physisorption$,while new compounds are formed in $Chemisorption$.
$3$. Reversibility	$Physisorption$ is generally reversible,whereas $Chemisorption$ is usually irreversible.
$4$. Enthalpy of adsorption	$Physisorption$ has low enthalpy $(20-40 \ kJ \ mol^{-1})$,while $Chemisorption$ has high enthalpy $(40-400 \ kJ \ mol^{-1})$.
$5$. Temperature dependence	$Physisorption$ is favored by low temperature,while $Chemisorption$ is favored by high temperature.
$6$. Molecular layer	$Physisorption$ is multi-layer,whereas $Chemisorption$ is mono-layer.