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Why is dioxygen a gas but sulphur a solid? |
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Answer» Oxygen is smaller in size as compared to sulphur. Due to its smaller size, it can effectively form pπ-pπ bonds and form O2 (O = O) molecule. Also, the intermolecular forces in oxygen are weak Van dar Wall’s which cause it to exist as gas. On the other hand, Sulphur does not form M2 molecule but exists as a puckered structure held to gather by strong covalent bonds. Hence it is a solid. |
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