试比较下列胺的碱性强弱：F3C—CH2一NH2，CH3CH2一NH2，CH2CH2一NH一CH3，（CH3CH2）3N

试比较下列胺的碱性强弱：F3C—CH2一NH2，CH3CH2一NH2，CH2CH2一NH一CH3，（CH3CH2）3N
正确答案：碱性强弱：（CH3CH2）3N＞CH3CH2一NH—CH3＞CH3CH2一NH2>F3C一CH2一NH2