State whether the following statements are true (T) or false (F). - Wired Faculty

Surface Chemistry

Question

State whether the following statements are true (T) or false (F).
A.
In physiosorption, adsorption decreases with increase in temperature.
B.
Catalysts increase the activation energy needed for the reaction.
C.
Particles in a colloidal sol are big enough to scatter light.
D.
A colloidal sol of (AlOH)₃ is more readily coagulated by 0.1 M Na,SO₄ than by 0.1 M NaCl solution.
E.
Adsorption can increase continuously on increasing the temperature.

Solution

A. TRUE
B. FALSE
C. TRUE
D. TRUE
E. FALSE

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