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116问答网 > 怎么判断一个基团是否为吸电子基团或给电子基团? 列举一些吸电子基团和给电子基团

怎么判断一个基团是否为吸电子基团或给电子基团? 列举一些吸电子基团和给电子基团

2025-03-16 02:27:13

推荐回答（1个）

回答1：

文字难以表达
-F,-OH--NH2是HF,H2O,NH3失去质子後得到的,对应的离子是负价因此是给电子基.
-NO2,-COOH,-COR等是HONO2,HOCOOH,HOOCR失去羟基得到的,对应的离子是正价因此是吸电子基.
其实把取代基看成是离子,再判断这个离子是正价还是负价就知道是吸电子还是给电子了.

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