Question:
The bond angle in the most stable form of sulphur at room temperature is
The bond angle in the most stable form of sulphur at room temperature is
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The characteristic bond angle of cyclic \(S_8\) sulphur is \(102.2^\circ\), which is frequently asked in examinations.
Updated On: Jun 18, 2026
- \(102.2^\circ\)
- \(201.2^\circ\)
- \(107^\circ\)
- \(117^\circ\)
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The Correct Option is A
Solution and Explanation
Concept:
The most stable allotrope of sulphur at room temperature is rhombic sulphur \((S_8)\), which exists as a puckered ring.
Step 1: Identify the stable allotrope.
At room temperature, \[ \text{Rhombic sulphur } (S_8) \] is the most stable allotrope.
Step 2: Recall structural parameters.
In the crown-shaped \(S_8\) ring, \[ \text{Bond angle}=102.2^\circ \] and \[ \text{S-S bond length}\approx 204\,pm \] Therefore, \[ \boxed{102.2^\circ} \]
Step 1: Identify the stable allotrope.
At room temperature, \[ \text{Rhombic sulphur } (S_8) \] is the most stable allotrope.
Step 2: Recall structural parameters.
In the crown-shaped \(S_8\) ring, \[ \text{Bond angle}=102.2^\circ \] and \[ \text{S-S bond length}\approx 204\,pm \] Therefore, \[ \boxed{102.2^\circ} \]
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