Write the differences between physisorption and chemisorption with respect to the following :
(i) Specificity (ii) Temperature dependence
(iii) Reversibility and (iv) Enthalpy change

Explanation

To differentiate between physisorption and chemisorption based on the given criteria, we can summarize the differences as follows:

### Differences between Physisorption and Chemisorption

| Criteria | Physisorption | Chemisorption |
|-------------------------|-----------------------------------|-------------------------------------|
| (i) Specificity | Not specific | Highly specific |
| (ii) Temperature Dependence | Low temperature favorable | High temperature favorable |
...