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

Answer 1

Answer: (C)

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