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

Question

Assertion: Liquid molecules have greater potential energy at the melting point. Reason: Intermolecular spacing between molecules increases at melting point. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

When a solid changes into a liquid, the work done against the attraction of molecules is stored in the form of potential energy.

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

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

When a solid changes into a liquid, the work done against the attraction of molecules is stored in the form of potential energy.

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