A.(CH3)2CHCH2CH2CH3 B.(CH3)2CHCH3有几种等效氢
A.(CH3)2CHCH2CH2CH3 B.(CH3)2CHCH3有几种等效氢
(CH3)2CHCH3有几种等效氢
(CH3)2CHCH2CH2CH3 (CH3CH2)2CHCH3 (CH3)2CHCH(CH3)2 (CH3)3CCH2
(CH3)2CHCH2CH2CH3的一氯代物中两边CH3是不是对称的,氢是不是等效的
(CH3)2CHCH2CH2CH3一氯代物有几种?
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
进行一氯取代反应后,只能生成三种沸点不同的产物的烷烃是 A.(CH3)2CHCH2CH2CH3 B.(CH3CH2)2C
有四种有机物,(A)(CH3)2CHCH(CH3)2,(B)(CH3)2C(CH3)2,(C)CH3(CH2)2CH(C
A、CH3(CH2)5CH3 B、CH3CH2CH(CH3)CH2CH3 C、(CH3)2CHCH2CH3 D、(CH3
(CH3)2CHCH(CH3)2有多少种等效氢
(CH3CH2)2CHCH3括号里的CH3与括号里的CH2中的氢是不是等效氢
有机物命名 (CH3)2CHCH(CH3)3 (CH3)2CHCH2CH2CH3 (CH3CH2