Question

Why there is no change in temperature during the melting of a solid?

Answer 1

1. During the melting of a solid, heat is absorbed by the solid.
2. The absorbed heat is utilized to overcome the mutual intermolecular forces of attraction.
3. At this stage, molecules become free to move around.
4. The solid start turning into liquid gradually.
5. This process is termed latent heat of fusion.
6. Latent heat of fusion: The amount of heat to be utilized for the conversion of a solid into its liquid state without altering the temperature.

Hence, there is no change in temperature during the melting of a solid due to the latent heat of fusion.