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Q.
Which of the following forms a molecular solid when solidified?
The Solid State
Solution:
In the given options, Calcium Fluoride and Sodium Chloride are the ionic crystals due to presence of ionic bond in them.
Silicon dioxide is network solid due to strong intermolecular covalent bond.
In carbon dioxide, the molecules are bonded by weak van der Walls force. Hence, they are molecular solids.