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["化学生小知識共有-超酸", ["通常将酸强度超过硫酸的酸或酸性介质叫做超强酸(或超酸)。如氟磺酸(HSO3F)是一种重要的酸性溶剂,其酸强度从焦硫酸(H2S4O7)外,比任何一种纯的酸要强。若在氟磺酸中加入五氟化锑(SbF5)或五氟化锑和三氧化硫的混合物,可可酸强度更强的溶剂。超强酸具有极强的质子化能力,极高的酸度,一般比无机酸强16~1倍。若用酸度函数Hα来衡量超强酸的酸度,也可以说凡酸度函数H"

2018-10-26View Original

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通常将酸强度超过100%硫酸的酸或酸性介质叫做超酸(或超强酸)。如氟磺酸(HSO3F)是一种重要的酸性溶剂,其酸性除焦硫酸(H2S2O7)外,比任何一种纯的酸要强。若在氟磺酸中加入五氟化锑(SbF5)或五氟化锑和三氧化硫的混合物, 可得到酸性更强的溶剂。超酸具有极强的质子化能力, 极高的酸度,一般比无机酸强106~1010倍。若用酸度函数H0来衡量超酸的酸度, 也可以说凡酸度函数H0

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