Sulphur exhibits two highly stable crystalline allotropes: Rhombic () and Monoclinic (). What is the fundamental building block in these crystalline lattices?

Question

Sulphur exhibits two highly stable crystalline allotropes: Rhombic ($\alpha$) and Monoclinic ($\beta$). What is the fundamental building block in these crystalline lattices?

Prashant Kotian · Accepted Answer

Correct answer: C. Both stable crystalline allotropes of sulphur (Rhombic and Monoclinic) consist of discrete molecules. The eight sulphur atoms are bonded in a highly stable, non-planar, puckered crown-shaped ring.

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