硫酸铜溶液加入到氯化钠溶液中,为什么呈现绿色?

2024年11月19日 21:37
有5个网友回答
网友(1):

硫酸铜溶液加入氯化钠溶液,呈绿色的原因分析如下:

CuSO4溶于水显蓝色是因为四水合铜离子显蓝色【即Cu(H2O)4 2+是蓝色离子】
加入氯化钠则迹隐有:铜离弊伍子姿卜厅与氯离子反应生成四氯合铜离子显黄色【即(CuCl4)2-显黄色】
实际上这两个离子存在平衡:
Cu(H2O)42++4Cl-←→(可逆)4H2O+CuCl4 2-
蓝色 黄色

蓝色混合着黄色,立即表现为绿色。

希望你相信我。(不要被骗了哦!)

网友(2):

本来铜离子在腔拆仿溶液中形成水伍纤化铜离子,应该是蓝色的御键。
但是,铜离子遇到氯离子能形成络合物:Cu2++4Cl-=[CuCl4]2-,[CuCl4]2-是黄色的,二者叠加就变成绿色了。

网友(3):

硫酸铜溶液加入到氯化钠溶液中,铜离子水形成水合铜离御型竖子[Cu(H2O)4]2+,蓝色;
铜离子还可以和氯离子Cl-形成的四镇大氯合铜络离子[CuCl4]2-,黄色;
蓝色和黄色的混合色租返为绿色。

网友(4):

因为铜离子的溶液是绿色的,是由于铜离子的作用

网友(5):

铜离子会到氯离子形成络合物,所以会呈现绿色。
谢谢,希望有用!

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