化学铝三角图示
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:化学作业 时间:2024/07/10 18:37:55
化学铝三角图示
![化学铝三角图示](/uploads/image/z/17099607-39-7.jpg?t=%E5%8C%96%E5%AD%A6%E9%93%9D%E4%B8%89%E8%A7%92%E5%9B%BE%E7%A4%BA)
(1) 2Al + 2NaOH + 2H2O === 2NaAlO2 + 3H2O
(2) 4Al + 3O2 === 2Al2O3(条件:点燃)
[2Al + Fe2O3 === Al2O3 + 2Fe(条件:高温)]
(3) 2Al2O3 === 4Al + 3O2↑(条件:电解)
(4) 2Al + 3Cl2 === 2AlCl3(条件:点燃)
[2Al + 6HCl === 2AlCl3 + 3H2↑]
(5) Al2O3 + 2NaOH === 2NaAlO2 + H2O
(6) Al2O3 + 6HCl === 2AlCl3 + 3H2O
(7) NaAlO2 + HCl + H2O === NaCl + Al(OH)3 ↓
(8) Al(OH)3 + NaOH === NaAlO2 + 2H2O
(9) 2Al(OH)3 === Al2O3 + 3H2O(条件:加热)
(10)Al(OH)3 + 3HCl === AlCl3 + 3H2O
(11)AlCl3 + 3NH3.H2O === Al(OH)3 ↓+ 3NH4Cl
[AlCl3 + 3NaOH === Al(OH)3 ↓ + 3NaCl]
(12)NaAlO2 + 4HCl(过) === AlCl3 + NaCl + 2H2O
![](http://img.wesiedu.com/upload/d/df/ddf0bdc86ea21c5c2d3cd8c0b010d5fb.jpg)
![](http://img.wesiedu.com/upload/9/46/9465620e1d293b5a03b69dd67bed5aec.jpg)
![](http://img.wesiedu.com/upload/b/f0/bf09667c8a7d2f89f86958f74c0046e2.jpg)
(2) 4Al + 3O2 === 2Al2O3(条件:点燃)
[2Al + Fe2O3 === Al2O3 + 2Fe(条件:高温)]
(3) 2Al2O3 === 4Al + 3O2↑(条件:电解)
(4) 2Al + 3Cl2 === 2AlCl3(条件:点燃)
[2Al + 6HCl === 2AlCl3 + 3H2↑]
(5) Al2O3 + 2NaOH === 2NaAlO2 + H2O
(6) Al2O3 + 6HCl === 2AlCl3 + 3H2O
(7) NaAlO2 + HCl + H2O === NaCl + Al(OH)3 ↓
(8) Al(OH)3 + NaOH === NaAlO2 + 2H2O
(9) 2Al(OH)3 === Al2O3 + 3H2O(条件:加热)
(10)Al(OH)3 + 3HCl === AlCl3 + 3H2O
(11)AlCl3 + 3NH3.H2O === Al(OH)3 ↓+ 3NH4Cl
[AlCl3 + 3NaOH === Al(OH)3 ↓ + 3NaCl]
(12)NaAlO2 + 4HCl(过) === AlCl3 + NaCl + 2H2O
![](http://img.wesiedu.com/upload/d/df/ddf0bdc86ea21c5c2d3cd8c0b010d5fb.jpg)
![](http://img.wesiedu.com/upload/9/46/9465620e1d293b5a03b69dd67bed5aec.jpg)
![](http://img.wesiedu.com/upload/b/f0/bf09667c8a7d2f89f86958f74c0046e2.jpg)