Liquid State
Liquid State: Overview
This topic covers concepts, such as Coefficient of Viscosity, Surface Tension, Surface Energy, Aqueous Tension, Viscosity, Laminar Flow, Factors Affecting Surface Tension, Viscous Force, Normal Boiling Point, Equilibrium Vapour Pressure, etc.
Important Questions on Liquid State
In a closed system, there is an equilibrium of water molecules between liquid and the gaseous phase. The vapour pressure will be _____.


Write the relation between the surface tention and the surface energy.


The dimensional formula of viscous force is .

The mathematical expression for viscous force is:

Surface tension does not vary with size of the surface.

Surface tension does not vary with _____
A. size of the surface B. concentration C. Cohesive force (Fill the correct answer as A or B or C)

Pick out the wrong statement(s).
(i) Vapour pressure of a liquid is the measure of the strength of intermolecular attractive forces.
(ii) Surface tension of a liquid acts perpendicular to the surface of the liquid.
(iii) Vapour pressure of all liquids is same at their freezing points.
(iv) Liquids with stronger intermolecular attractive forces are more viscous than those with weaker intermolecular force.

Which of the following has the highest surface tension?


The fluid that doesn't follow Newton's law of viscosity is called as_____.

Which of the following statements regarding a liquid is not correct?

Which of the following is a correct statement?



The standard boiling point of water is _____.

Why standard boiling point is slightly lower than the normal boiling point

The flow of liquid in which there is no regular gradation of velocity in passing from one layer to the next is called laminar flow.

Why ethylene glycol, have a much lower equilibrium vapor pressure than octane?
