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Which of the following statements is true about the activation energy of chemisorption?
It is always lower than the activation energy of physisorption
It is always higher than the activation energy of physisorption
It depends on the strength of the chemical bond formed between the adsorbate and the adsorbent
It is independent of the temperature at which the adsorption occurs
Answers (1)
The activation energy of chemisorption is the minimum energy required for the formation of a chemical bond between the adsorbate and the adsorbent. It depends on the strength of the chemical bond formed between the adsorbate and the adsorbent. The activation energy of physisorption is usually lower than that of chemisorption, as physisorption involves weak intermolecular forces.
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