Why is dioxygen gas but sulphur is a solid ?
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It doesn't form strong s-s bond.It S8 structure form strong covalent bond at room temperature get solid structure.
kuttubaby:
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Hey !!
It is because of its small size, oxygen is capable of forming pπ - pπ bond and exists as diatomic O₂ molecule. The intermolecular forces in oxygen are weak van der Waals force, due to which it is a gas at room temperature. On the other hand, sulphur, due to its larger size prefers to form S - S single bond and exist as octaatomic S₈ molecule puckered ring structure. Because of larger size the force of attraction holding the S₈ molecules together are much stronger. Hence sulphur is a solid at room temperature.
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