Isomerism and StereochemistryhardMCQ SINGLE

When thermodynamically comparing the macroscopic physical properties of typical Cis and Trans geometIsomerism and Stereochemistry Chemistry Question

Question

When thermodynamically comparing the macroscopic physical properties of typical Cis and Trans geometrical isomers, which of the following statements correctly describes the dominant observed trend?

Answer: C

💡 Solution & Explanation

Trans isomers feature substituents on opposite sides of the double bond, granting them a highly linear and symmetrical structural profile. This high symmetry permits extremely efficient, tightly packed arrangements in a solid crystal lattice, resulting in strong intermolecular crystal forces and correspondingly higher melting points than the bulky, less-symmetrical cis isomers.

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