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Atomic, Ionic, and Molecular Solids
13. Liquids, Solids & Intermolecular Forces / Atomic, Ionic, and Molecular Solids / Problem 2

At 294.5 K, the compound octylcyanobiphenyl undergoes a phase transition from the crystalline solid phase to a liquid crystal phase. Upon increasing the temperature to 306.5 K, it undergoes another liquid crystal phase transition. 

Phase diagram showing liquid crystal structure at 294.5 K for octylcyanobiphenyl.

Identify which among the following diagrams depicts the liquid crystal formed at 306.5 K.

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