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Grade: 12th pass
        
A physical adsorption at low temperature may pass into chemisorption as the temperature is increased... 
what is the meaning of the above statement??
9 months ago

Answers : (1)

Arun
22578 Points
							
Dear student
 
Physisorption takes place at low temperature because it has low enthalpy of adsorption i.e. delta(H) is almost between 20-40 KJ....
As temp is increased delta (H) increases and it changes into chemiosorption as it takes place at high temperature and it has high enthalpy of adsorption....
 
Regards
Arun (askIITians forum expert)
9 months ago
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