Question

Which force(s) is/are responsible for attracting the adsorbate particles on its surface?
1) Residual attraction forces
2) Residual repulsive forces
3) Attractive as well as repulsive forces 4) Balanced forces
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Answer 1

Answer:

Option 1 Residual Attractive Forces

Explanation:

Adsorption arises due to the fact that the surface particles of the adsorbent are not in hte same environment as the particles inside the bulk, Inside the adsorbent all the forces acting between the particles are mutually balanced but on the surface the particles are not surrounded by atoms or molecules of their kind on all sides and hence they possess unbalanced or residual attractive force. These forces of the adsorbent are responsible for attracting the adsorbate particles on its surface.