Cis vs. Trans

圖中該對分子是

The two compounds are

• 對映異構體。

  enantiomers.

• 結構異構體。

  structural isomers.

• 相同的。

  the same.

• 順-反異構體。

  cis-trans isomers.

一個化合物在其碳-碳雙鍵的每個碳原子上有多少個不同的原子或基團能展現順-反結構？

How many different atoms or groups on each carbon atom of the carbon-carbon double bond in a compound can satisify to exhibit cis-trans isomerism ?

• 1

• 2

• 3

• 4

丁-1-醇和丁-2-醇是

Butan-1-ol and butan-2-ol are

• 順-反異構體。

  cis-trans isomers.

• 對映異構體。

  enantiomers.

• 鏈異構體。

  chain isomers.

• 位置異構體。

  position isomers.

圖中哪對是順-反異構體？

Which of the following pairs are cis-trans isomers?

• W 和 X

  W and X

• W 和 Y

  W and Y

• X 和 Z

  X and Z

• Y 和 Z

  Y and Z

下列哪種烯能展現順-反異構？

Which of the following alkenes can exhibit cis-trans

isomerism?

• CH₃CH=CHCH₂CH₃

• CH₃CH₂CH₂CH=CH₂

• (CH₃)₂C=CHCH₃

• C₂H₅(CH₃)C=C(CH₃)₂

一個化合物能符合展現順-反異構的其中一項條件是它含____________。

One of the conditions to satisfy a compound to exhibit cis-trans isomerism is that it contains a _________________.

這對分子是 __________ 立體異構。

The two compounds are __________ stereoisomerism.