Question 68

The large difference between the melting and boiling points of oxygen and sulphur may be explained on the basis of

Solution

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Large difference between melting/boiling points of O₂ and S.

Oxygen exists as O₂ (diatomic) while sulfur exists as S₈ (octatomic). The larger molecular size of S₈ leads to much stronger van der Waals forces, causing much higher melting and boiling points.

The correct answer is Option 1: Atomicity.

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