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HCl是離子化合物嗎

返回打印发布时间：2023/6/27 点击：8403

HCl是離子化合物嗎？

HCl不是离子化合物，HCl是共价化合物。

氯化氫，化学式为HCl，氯化氫分子由一个氯原子和一个氢原子组成，是一种无色有刺激性气味的气体。其水溶液俗称盐酸，学名盐酸。氯化氫极易溶于水。0℃时，1体积的水可溶解约500体积的氯化氫。

HCl化学性质：

氯化氫是一种腐蚀性不燃气体，不与水反应但易溶于水，常以盐酸烟雾的形式存在于空气中。溶于乙醇和乙醚，也溶于许多其他有机物质；易溶于水，在25℃、1个大气压下，1体积的水可溶解503体积的氯化氫气体。干燥的氯化氫化学性质非常惰性。碱金属和碱土金属在氯化氫中易燃，钠燃烧时放出亮黄色火焰。

氯化氫的水溶液是盐酸。工业盐酸常呈微黄色，主要是由于氯化铁的存在。检测盐酸是否存在的常用方法是氨水，它与氯化氫反应形成白色氯化铵颗粒。氯化氫具有很强的偶极子，并与其他偶极子形成氢键。

3.0N化学级氯化氫

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