(CH3)2CHCH3 CH3CH2CH3 CH3CH2CH2CH3 C(CH3)4中哪个的二氯代物有两种
(CH3)2CHCH3 CH3CH2CH3 CH3CH2CH2CH3 C(CH3)4中哪个的二氯代物有两种
下列物质的沸点按由高到低的顺序排列 A:CH3(CH2)2CH3 B:CH3(CH2)4CH3 C:CH3CH2CH3
4,4,5-三甲基-2-己炔结构简式是CH3CH(CH3)C(CH3)2CH=CHCH3吗?和CH3(CH3)CHC(C
异丁烷的结构简式怎么写?选谁?双选?单选?A:CH3CH(CH3)CH3 ,B:(CH3)2CHCH3,C:CH3(CH
CH3CH(CH3)CH2CH(CH3)C(CH3)2CH2CH2CH2CH(CH3)CH(CH3)CH3 请问这个的标
下列化合物中,沸点最低的是什么 A CH3(CH2)4CH3 B CH3(CH2)3CH3 C CH3CH2CH(CH3
CH4 CH3CH2CH3 CH3CH3 CH3(CH2)2CH3那个沸点最高
c4h8的同分异构体CH2=CHCH2CH3 CH3CH=CHCH3 CH3=C(CH3)2 还有别的么?
在有机化合物中为什么CH3CH2CH2CH3可以缩写为CH3(CH2)2CH3,而CH3CH3为什么不能缩写为(CH3)
CH2=C(CH3)2 和CH3CH=CHCH3
CH3-C(CH3)2-CH3-CH(C2H5)-CH(CH3)-CH3的系统命名
急.CH3CH2CH3,CH3(CH2)3CH3,