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熱門關鍵詞： 工业级氯化氫 化学级氯化氫 高纯级氯化氫 电子级氯化氫 硫化氫氣體 高純氯氣 配套設備

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为什么碘化氢比溴化氢和氯化氫的酸性更强？

返回打印发布时间：2023/9/27 点击：14400

为什么碘化氢比溴化氢和氯化氫的酸性更强？

这是由卤素的电负性决定的。氢碘酸的酸性很强，因为碘离子是弱极性的，其次是溴离子。氯离子最弱，氯的电负性最大，碘的电负性最小。氟、氯、溴、碘都是元素。元素周期表的最后一列属于卤素元素，因此碘化氢的酸性比溴化氢强，也比氯化氫强。碘化氢在正常条件下是一种无色气体，有刺激性气味。

99.999%无水氯化氫

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