异戊烷的一氯化物为何是4种?(判断方法)

Question

如题所述

Answer 1

CH3-CH2-CH-CH3
1 2 3| 4
5 CH3将其看为对称的则四五号炭一样，则一氯代物有四种则1234【1235】一样

Answer 2

CH3-CH2-CH-(CH3)CH3
CH2Cl-CH2-CH-(CH3)CH3
CH3-CHCl-CH-(CH3)CH3
CH3-CH2-CHCl-(CH3)CH3
CH3-CH2-CH-(CH3)CH2-Cl