Question
Chemistry Question on Surface Chemistry
Which one of the following is not true with regard to physisorption?
A
It arises because of van der Waals' forces
B
It is not specific in nature
C
High activation energy is needed
D
It depends on the nature of gas
E
Enthalpy of adsorption is low(20-40kj mol-1)
Answer
High activation energy is needed
Explanation
Solution
The correct option is (C) : High activation energy is needed