[问答题]
Properties and behavr ,7qhojko*3n iors of organic molecules can7 al;galt/+fza2sg s 9 be inferred using intermolecularl zaf+/7 9 l2ag;tassg forces.
Explain, giving a reason, which of the following pairs will have a higher boiling point:
1.Propane, butane.
2.Ethanol, ethanoic acid.
3.Propanol, propanone.