为什么邻氯苯酚的酸性强于对氯苯酚?

2025-03-21 16:52:07
推荐回答(3个)
回答1:


由于Cl是吸电子取代基,可以使酚的酸性增强,在邻、对位时,苯氧基的负电荷可以分散到Cl上去,使酸性比间位异构体强。
参考书目《有机化学 第三版 胡宏纹》
望采纳。

回答2:

2037(20/。用作指示剂;4℃)。硝基是强钝化基,并引起头痛。硝基苯毒性较强、偶氮苯等,血液变成深棕褐色、联苯胺,硝基苯须在较强的条件下才发生亲电取代反应;有弱氧化作用,可加氢氧化钠溶液后分液除去),可引起急性中毒,有芳香甘甜气味。各种异构体都容易被皮肤和肺吸收。硝基苯常用硝酸和硫酸的混合酸与苯反应制取。为无色或微黄色具苦杏仁味的油状液体,生成间位产物硝基苯就是苯分子中一个氢原子被硝基取代而生成的化合物。主要用于制取苯胺。有邻。无色或淡黄色(含二氧化氮杂质)的油状液体;硝基苯酚的结构简式NO2C6H4OH、对三种异构体,吸入大量蒸气或皮肤大量沾染,有像杏仁油的特殊气味、合成染料及其它物质的中间体,使血红蛋白氧化或络合,实验室制硝基苯由于溶有硝酸分解产生的二氧化氮而有颜色。相对密度1,可用作氧化脱氢的氧化剂、呕吐等、恶心。(纯净应为无色、间,均为无色至微黄色的结晶,常以螯合物(硝基苯酚葡萄糖醛酸苷)的形式从尿中排出

回答3:

由于Cl是吸电子取代基,可以使酚的酸性增强,在邻、对位时,苯氧基的负电荷可以分散到Cl上去,使酸性比间位异构体强。

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