Boiling Points More polar,so higher boiling point than comparable alkane or ether. Cannot H-bond to each other,so lower boiling point than comparable alcohol. CH.CH,CH,CH CH,-O-CH,CH butane methoxyethane bp 0C bp 8C 0 CH,CH2一C一H CH.-C-CH, CH.CH,CH,-OH propanal acetone 1-propanol bp 49C bp 56 C bp 97CBoiling Points More polar, so higher boiling point than comparable alkane or ether. Cannot H-bond to each other, so lower boiling point than comparable alcohol