硫酸铜怎么变成铜

硫酸铜怎么变成铜
2025-03-29 05:05:06
推荐回答(3个)
回答1:

一、加热

将硫酸铜加热,生成氧化铜:

然后再将CuO与还原剂在高温条件下反应生成铜单质:

二、置换反应

利用活泼性强于Cu的金属单质与硫酸铜溶液反应置换出铜单质。

以铁为例:

三、电解

通过电解硫酸铜溶液,得到铜单质:

扩展资料

铜的化学性质

铜的氧化态有0、+1、+2、+3、+4,其中+1和+2是常见氧化态。+3氧化态的有六氟合铜(III)酸钾,+4氧化态的有六氟合铜(IV)酸铯,0氧化态的Cu(CO)₂可通过气相反应再用基质隔离方法检测到。

铜容易被卤素、互卤化物、硫、硒腐蚀,硫化橡胶可以使铜变黑。铜在室温下不和四氧化二氮反应,但在硝基甲烷、乙腈、乙醚或乙酸乙酯存在时,则生成硝酸铜、金属铜易溶于硝酸等氧化性酸,若无氧化剂或适宜配位试剂的存在时,则不溶于非氧化性酸。

参考资料来源:百度百科-铜

回答2:

用硫酸铜制取铜的方法
其一,
无水硫酸铜加热到923K时,分解得到CuO
CuSO₄==加热==CuO+SO₃↑ 或者 2CuSO₄==加热==2CuO+2SO₂↑+O₂↑
然后还原氧化铜,得到铜
CuO+CO=加热=Cu+CO2↑
其二,
用比铜活泼的金属置换硫酸铜
Fe+CuSO₄====FeSO₄+Cu ↓
其三,
电解硫酸铜溶液
2CuSO₄+2H₂O==通电==2H₂SO₄+2Cu+O₂↑

回答3:

加铁,铁置换出铜
Fe+CuSO4=CuSo4+Cu

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