Organic compounds

👨🏻‍🏫 學術台化學

Kaspar

2006-11-14 2:53 am

1.polythene同polyethene係唔係一樣架?/分別是什麼?

2.ethan-1,2-diol同ethane-1,2-diol係唔係一樣架?/分別是什麼?

回答 (2)

Tree

2006-11-14 4:01 am

✔ 最佳答案

polythene同polyethene 係一樣架

ethan-1,2-diol 係串錯,
ethane-1,2-diol 係串岩,
因為跟住既 diol, d 唔係響音(a,e,i,o,u), 所以要加e

好似
butan-2-amine 就唔駛加e, 因為amine 個a係響音

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de Lufz

2006-11-14 4:01 am

1. They are the same. But we usually write polythene.

2. They are the same. But we usually write ethane-1,2-diol.

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