Which substance is likely to have the lowest vapor pressure?

Name: Which substance is likely to have the lowest vapor pressure?
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Question

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Substance D has the longest chain of carbon atoms, indicating it is the largest molecule among the options. Larger molecules typically have stronger intermolecular forces (such as van der Waals forces), which result in a lower vapor pressure because more energy is required to overcome these forces and convert the substance from liquid to gas.

Which Substance Is Likely to Have the Lowest Vapor Pressure