boiling point: 1-propanol > propanone note: there exists intermolecular hydrogen bonding interaction between 1-propanol (i.e., H-O...H bond), whereas no such interaction between propanone molecules. Thus, bp of 1-propanol is higher than propanone. Solution boiling point: 1-propanol > propanone note: there exists intermolecular hydrogen bonding interaction between 1-propanol (i.e., H-O...H bond), whereas no such interaction between propanone molecules. Thus, bp of 1-propanol is higher than propanone..