Acetone (CH₃COCH₃) and propan-1-ol (CH₃CH₂CH₂OH) have nearly identical molar masses

CHEMISTRY · Subjective · A Level · Chemistry · Bonding · Bonding

Problem

Acetone (CH₃COCH₃) and propan-1-ol (CH₃CH₂CH₂OH) have nearly identical molar masses. Which substance has the lower vapor pressure at 25 °C? Justify your answer using intermolecular considerations.

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