why NO2 is electron withdrawing group?
why NH2 ,NR2 is not ?
all of them have N atom...
electron withdrawing group根本問題
2010-12-30 1:16 am
回答 (2)
2010-12-30 11:06 am
✔ 最佳答案
圖片參考：http://i320.photobucket.com/albums/nn347/old-master/20101230_1.jpg?t=1293649499
http://i320.photobucket.com/albums/nn347/old-master/20101230_1.jpg?t=1293649499
2010-12-30 15:37:18 補充：
In -NR2 group, there is also a lone pair of electrons on the N atom.
參考: 老爺子, 老爺子
2010-12-30 1:57 am
NO2 is electron withdrawing group not because nitrogen only but as the comination with oxygen . Same to NH2 & NR2 are electron releasing groups . You have to consider the adjacent atoms which can affect this properties .
收錄日期: 2021-04-13 17:44:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101229000051KK01272