高中化学的铁三角铝三角的方程式？？

Question

如题所述

Answer 1

铝三角
(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(上升)(条件:电解)
(4)
2al
+
3cl2
===
2alcl3(条件:点燃)
[2al
+
6hcl
===
2alcl3
+
3h2(上升)]
(5)
al2o3
+
2naoh
===
2naalo2
+
h2o
(6)
al2o3
+
6hcl
===
2alcl3
+
3h2o
(7)
naalo2
+
hcl
+
h2o
===
nacl
+
al(oh)3(沉淀)
(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(沉淀)
+
3nh4cl
[alcl3
+
3naoh
===
al(oh)3(沉淀)
+
3nacl]
(12)naalo2
+
hcl(过)
===
alcl3
+
naoh
+
h2o
离子方程式：
1
al3+
+
3oh-
=
al(oh)3
(s)
2
al(oh)3
+
3h+
=
al3+
+
3h2o
3
al(oh)3
+
oh-
=
alo2-
+
2h2o
4
alo2-
+
h+
+
h2o
=
al(oh)3
(s)
5
al3+
+
4oh-
=
alo2-
+
2h2o
6
alo2-+
4h+
=
al3+
+
2h2o
s
为沉淀
铁三角
1
fe
+
2h+
=
fe2+
+
h2
(g)
2
fe2+
+
zn
=
fe
+
zn2+
3
2fe2+
+
cl2
=
2fe3+
+
2cl-
4
2fe3+
+
fe
=
3fe2+
还可以和cu反应
5
2fe
+
3cl2
=
2fe3+
+
6cl-
6
2fe3+
+
3zn
=
2fe
+
3zn2+

Answer 2

(1)
2Al
+
2NaOH
+
2H2O
===
2NaAlO2
+
3H2(上升)
(2)
4Al
+
3O2
===
2Al2O3(条件:点燃)
[2Al
+
Fe2O3
===
Al2O3
+
2Fe(条件:高温)]
(3)
2Al2O3
===
4Al
+
3O2(上升)(条件:电解)
(4)
2Al
+
3Cl2
===
2AlCl3(条件:点燃)
[2Al
+
6HCl
===
2AlCl3
+
3H2(上升)]
(5)
Al2O3
+
2NaOH
===
2NaAlO2
+
H2O
(6)
Al2O3
+
6HCl
===
2AlCl3
+
3H2O
(7)
NaAlO2
+
HCl
+
H2O
===
NaCl
+
Al(OH)3(沉淀)
(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(沉淀)
+
3NH4Cl
[AlCl3
+
3NaOH
===
Al(OH)3(沉淀)
+
3NaCl]
(12)NaAlO2
+
HCl(过)
===
AlCl3
+
NaOH
+
H2O