Home
Class 11
CHEMISTRY
Assertion (A) Three states of matter are...

Assertion (A) Three states of matter are the result of balance between intermolecular forces and thermal energy of the molecules.
Reason (R) Intermolecular forces tend to keep the molecules together but thermal energy of molecules tends to keep tham apart.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true and R is not the correct explanation of A.

C

A is true but R is false.

D

A is false and R is true.

Text Solution

Verified by Experts

The correct Answer is:
A
Reson is the correct explantin for assertion.
Promotional Banner

Similar Questions

Explore conceptually related problems

Name two intermolecular forces that exist between HF molecules in liquid state.

Assertion : Liquid molecules have greater potential energy at the melting point. Reason : Intermolecular spacing between molecules increases at melting point.

What happens to the intermolecular force of attraction as the intermolecular space between molecules decreases?

Assertion Ionic compounds tend to be non-volatile Reasoning Intermolecular forces in these compounds are weak .

What happens to the intermolecular force of attraction between the molecules in a change of state from solid to liquid?

Write true or false for the following statements. The force of attraction between molecules is called intermolecular force of attraction.

Write true or false for the following statements. When kinetic energy of the molecules of a liquid becomes more than the intermolecular forces then energetic molecules rapidly leave the liquid and change into the gaseous state.

What is the predominant intermolecular force of attraction between the adjacent chains of polymer molecules in natural rubber?

Viscosity of a liquid arises due to strong intermolecular forces existing between the molecules. Stronger the intermolecular forces, greater is the viscosity. Name the intermolecular forces existing in the following liquids and arrange them in the increasing order of their viscosities. Also give reason for the assigned order in one line. water, hexane (CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)CH_(3)) , glycernine (CH_(2)OHCH(OH)CH_(2)OH)

Assertion : All the gases should be cooled below their critical temperature for liquification . Reason : Cooling slows down the movement of molecules therefore , intermolecular forces may hold the slowly moving molecules together and the gas liquifies .