問HC≡CH加過量HBr主要生成物
and小量解釋,thx
HC≡CH加過量HBr主要生成物
2010-03-20 4:11 pm
回答 (3)
2010-03-20 4:46 pm
✔ 最佳答案
過量:HC≡CH + 2HBr→ CH3CHBr2小量:HC≡CH++HBr→CH2=CHBr
2010-03-20 8:13 pm
@Xdragonaite
Br係咪一定同一邊??
我唸緊如果第二個HBr加落去個陣個C+會唔會係無Br個C個邊
Br係咪一定同一邊??
我唸緊如果第二個HBr加落去個陣個C+會唔會係無Br個C個邊
2010-03-20 6:35 pm
如果HBr 喺gaseous, 又冇organic peroxide, 就應該可以用Markownikoff's Rule:
過量:HC≡CH + 2HBr→ CH3CHBr2
小量:HC≡CH++HBr→CH2=CHBr
但喺有organic peroxide, 就可能有啲情況有anti-Markownikoff's Rule出現, 所以有啲vicinal products.
過量:HC≡CH + 2HBr→ CH3CHBr2
小量:HC≡CH++HBr→CH2=CHBr
但喺有organic peroxide, 就可能有啲情況有anti-Markownikoff's Rule出現, 所以有啲vicinal products.
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100320000051KK00261