Isomerism and StereochemistryhardMCQ SINGLE

Which of the following statements best explains the general thermodynamic trend in boiling points beIsomerism and Stereochemistry Chemistry Question

Question

Which of the following statements best explains the general thermodynamic trend in boiling points between standard cis and trans geometrical isomers?

Answer: A

💡 Solution & Explanation

Boiling point is heavily dependent on intermolecular forces of attraction in the liquid phase. The cis isomer typically has a net resultant dipole moment ($\mu eq 0$), making it more polar. This distinct polarity leads to stronger intermolecular dipole-dipole attractions, meaning a larger amount of heat energy is required to boil the substance compared to the non-polar trans isomer ($\mu \approx 0$).

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