[高中] 有機異構物
題目:
1mole C4H6在Ni粉催化下 吸收1mole H2後得到兩種產物B,C
且B與C互為順反易購物
請寫出C4H6可能結構
想法:
π鍵數 = (10 - 6)/2 = 2
H H H
H3C-C≡C-CH3 + H2 <--> H3C-C=C-CH3 + H3C-C=C-CH3
H
H H H H
H2C=C=C-CH3 + H2 <--> H3C-C=C-CH3 + H3C-C=C-CH3
H
所以應該有兩種 2-丁炔 和1,2-二丁烯
但是答案卻只給2-丁炔
不知道1,2-二丁烯這個反應式哪裡出問題
希望給予解答 謝謝
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