问题标题：
2－甲基－1,3－丁二烯的化学结构简式怎么写?CH2=C-CH=CH2CH2=C-CH-CH2||CH3CH3(A)(B)A对还是B对?`CH2=C-CH=CH2````CH2=C-CH-CH2````````|````````````````````````|```````CH3`````````````````````CH3``(a)``````````````````(b)
问题描述：
2－甲基－1,3－丁二烯的化学结构简式怎么写?
CH2=C-CH=CH2CH2=C-CH-CH2
||
CH3CH3
(A)(B)
A对还是B对?
`
CH2=C-CH=CH2````CH2=C-CH-CH2
````````|````````````````````````|
```````CH3`````````````````````CH3
``(a)``````````````````(b)
陈志旺回答：
A对~因为~是丁二烯所以有俩个CC双键
并在第一个和第三个C后面~切在第2个C上还有个甲基
所以A对
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