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Why oxygen is a gas, whereas sulphur is ...

Why oxygen is a gas, whereas sulphur is a solid?

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Oxygen forms only diatomic molecules due to unavailability of d-orbitals while, sulphur forms hexaatomic and octaatomic molecules. Thus, due to heavier molecular weight sulphur is solid.
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Knowledge Check

  • Oxygen is gas but sulphur is solid because:

    A
    Oxygen is composed of discrete molecules while sulphur is polymeric
    B
    Molecular weight of sulphur is much higher than that of oxygen
    C
    Oxygen is a stronger oxidising agent than sulphur
    D
    Boiling point of sulphur is much higher than that of oxygen

  • Oxygen is divalent, whereas sulphur exhibits valency of 2,4 and 6 due to:

    A
    S is bigger atom
    B
    Ionisation potential of sulphur is more
    C
    S being less electronegative than O
    D
    Presence of d-orbitals in S

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