对CH3Br进行亲核取代时,以下离子亲核性最强的是( )。A.CH3C00- B.CH3CH20- C.C6H50- D.0H-

作者: tihaiku 人气: - 评论: 0
问题 对CH3Br进行亲核取代时,以下离子亲核性最强的是( )。
选项 A.CH3C00- B.CH3CH20- C.C6H50- D.0H-
答案 B
解析 负离子的碱性越强,亲核性越强。碱性:乙醇钠>氢氧化钠>酚钠>乙酸钠。故本题选B。

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