AIPMT | 2014Surface ChemistryMedium

Question

Which of the following statements is correct for the spontaneous adsorption of a gas?

Options

A.ᐃS is negative and, therefore, ᐃH should be highly positive
B.ᐃS is negative and therefore, ᐃH should be highly negative
C.ᐃS is positive and, therefore, ᐃH should be negative
D.ᐃS is positive and, therefore, ᐃH should also be highly positive

Solution

For adsorption ᐃS = - ve, ᐃH = - ve.

Create a free account to view solution

View Solution Free
Topic: Surface Chemistry·Practice all Surface Chemistry questions

More Surface Chemistry Questions

Which statement about the behavior of a catalyst is/are incorrect-...TEL minimizes the knocking e­ffect when mixed with petrol. It acts as...Which one is not the characteristic of chemisorption :...Which of the following statements is not correct?...The diameter of colloidal particle is of the order :...