Most solid compounds melt at a specific temperature. Based on knowledge of interparticle forces, which of the following melts over a range of temperatures, not at a specific value?

Ionic solid

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Molecular solid

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Amorphous solid

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Allotropic solid

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Solution

The correct option is B Amorphous solid
Allotropic solids melt over a range of temperature.
This is because amorphous solid is also known as pseudo solid and do not have a definite melting point. They melt over a wide range of temperatures as all the bonds are not broken at once.

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