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Compared with the melting points of ionic compounds, the melting points of molecular solids tend to be _____.


higher


unpredictable


lower


similar

Verified Answer :

Moly42

Lower

Melting points of molecular solids are lower than melting points of ionic compounds

Answer: Option (c) is the correct answer.

Explanation:

Molecules of a molecular solid are held together by weak forces like london dispersion forces, dipole-dipole forces.

So, due to weak forces present in these molecules it is easy to break the bond between them. Hence, molecular solids have low melting point.

Whereas in ionic compounds, atoms are held together by strong forces due to the presence of opposite charges on the atoms of the solid.

Therefore, we can conclude that compared with the melting points of ionic compounds, the melting points of molecular solids tend to be lower.

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