MHT CET · Chemistry · Surface Chemistry
Which among the following is true for chemisorption?
- A Heat of adsorption is in the range of \(20-40 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
- B It is multimolecular layered
- C Van der Waals forces are involved
- D It is favored at high temperature up to certain limit
Answer & Solution
Correct Answer
(D) It is favored at high temperature up to certain limit
Step-by-step Solution
Detailed explanation
Chemical adsorption
- It is caused by chemical bond formation.
- Heat of adsorption is high.
- High temperature is favorable. It increases with increase of temperature.
- It forms unimolecular layer.
- It is caused by chemical bond formation.
- Heat of adsorption is high.
- High temperature is favorable. It increases with increase of temperature.
- It forms unimolecular layer.
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