How does the surface tension of a liquid vary with increase in temperature?

Question

How does the surface tension of a liquid vary with increase in temperature? (A) Remains same (B) Decreases (C) Increases (D) No regular pattern is followed.

Tardigrade Admin · Accepted Answer

Increase in temperature increases the kinetic energy of the molecules and effectiveness of intermolecular attraction decreases, so surface tension decreases as the temperature is raised.

Q. How does the surface tension of a liquid vary with increase in temperature?

Remains same

Decreases

Increases

No regular pattern is followed.

Increase in temperature increases the kinetic energy of the molecules and effectiveness of intermolecular attraction decreases, so surface tension decreases as the temperature is raised.