How melting point of a substance indicate the strength of it's in intramolecular forces of attraction?
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The melting point of a substance is that temperature at which it starts melting.
It is the energy required by the molecules to overcome the forces of attraction between them so that they start moving from their fixed positions; which converts the substance into liquid state.
Thus, the higher melting point of a substance means that more energy is required to overcome the inter-molecular forces between the particles.
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Explanation:
This means that the heat of fusion (heat required to melt a solid) and heat of vaporization (heat required to vaporize a liquid) are determined by the strength of the Intermolecular Forces . So molecules with greater molecular forces have high melting point and less molecular forces have low melting point.
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