作者kiwidog (→小堡儿˙限定←)
看板Chemistry
标题[问] 有机化学
时间Tue Feb 28 17:53:47 2006
Which of the following cycloalkanes will have the largest combustion heat
per CH2 unit?
a.cyclopropane b.cyclobutane c.cyclopentane d.cyclohexane
谁能解释一下位什麽呢 感谢
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1F：推 accock:答案是a吗??? 有bond strain 乱猜的~~ 02/28 17:57
2F：推 kiwidog:忘记了 答案是a 但是可以跟我说为什麽吗 02/28 18:00
3F：→ volley:the most great ring strain 02/28 18:02
4F：推 kiwidog:所以是因为环张力大罗 谢谢 02/28 18:06
5F：推 lofishive:还有一点..."per CH2 unit" 而非问total heat 02/28 19:35
6F：→ shok:total heat答案顺序就反过来 02/28 23:36