What is the effect of temperature on chemisorption ?

Open in App

Solution

Initially it increases with increase of temperature and then it decreases with an increase in temperature.

Suggest Corrections

Similar questions

How does physisorption change to chemisorption at high temperatures?

Q. The correct statement(s) pertaining to the adsorption of a gas on a solid surface is(are):
(i) adsorption is always exothermic.

(ii) physisorption may transform into chemisorption at high temperature.
(iii) physisorption increases with increasing temperature but chemisorption decreases with increasing temperature.
(iv) chemisorption is more exothermic than physisorption, however, it is very slow due to the higher energy of activation.

Q. Assertion :Physisorption of a gas adsorbed at low temperature may change into chemisorption at a high temperature. Reason: Usually low pressure is also favourable for chemisorption.

Q. Assertion :In chemisorption, adsorption keeps on increasing with temperature. Reason: Heat keeps on providing more and more activation energy.

Chemisorption said to be irreversible but the graph between temperature and chemisorption decrease after the activation energy indicating desorption? Why?

Join BYJU'S Learning Program