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Al, l'aluminium
Chapitre no 3
Leçon : Ac, Ag, Al, Am, Ar, As, At, Au
Chap. préc. :Ag, l’argent Chap. suiv. :Am, l'américium
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En raison de limitations techniques, la typographie souhaitable du titre, «
Ac, Ag, Al, Am, Ar, As, At, Au : Al, l'aluminium Ensemble des formules chimiques/Ac, Ag, Al, Am, Ar, As, At, Au/Al, l'aluminium », n'a pu être restituée correctement ci-dessus.
Al
+
12
B
⟶
AlB
12
{\displaystyle {\ce {Al + 12 B -> AlB12}}}
2
Al
+
3
Cl
2
⟶
2
AlCl
3
{\displaystyle {\ce {2Al + 3Cl2 -> 2AlCl3}}}
2
Al
+
3
CuCl
2
⟶
2
AlCl
3
+
3
Cu
{\displaystyle {\ce {2Al + 3CuCl2 -> 2AlCl3 + 3Cu}}}
2
Al
+
6
H
2
O
⟶
2
Al
(
OH
)
3
+
3
H
2
{\displaystyle {\ce {2Al + 6H2O -> 2Al(OH)3 + 3H2}}}
2
Al
+
6
H
2
O
+
2
OH
−
⟶
2
[
Al
(
OH
)
4
]
−
+
3
H
2
{\displaystyle {\ce {2Al + 6H2O + 2OH- -> 2[Al(OH)4]- + 3H2}}}
2
Al
+
6
HCl
⟶
2
AlCl
3
+
3
H
2
{\displaystyle {\ce {2Al + 6HCl -> 2AlCl3 + 3H2}}}
2
Al
+
2
KOH
+
6
H
2
O
⟶
2
K
+
+
2
Al
(
OH
)
4
−
+
3
H
2
{\displaystyle {\ce {2Al + 2KOH + 6H2O -> 2K+ + 2Al(OH)4- + 3H2}}}
4
Al
+
3
O
2
⟶
2
Al
2
O
3
{\displaystyle {\ce {4Al + 3 O2 -> 2 Al2O3}}}
Al3+ , l'ion aluminium
modifier
Al
3
+
+
3
OH
−
⟶
Al
(
OH
)
3
{\displaystyle {\ce {Al^{3+}{}+ 3 OH^{-}-> Al(OH)3}}}
Al
(
C
2
H
3
O
2
)
3
+
3
NaOH
⟶
Al
(
OH
)
3
+
3
NaC
2
H
3
O
2
{\displaystyle {\ce {Al(C2H3O2)3 + 3NaOH -> Al(OH)3 + 3NaC2H3O2}}}
2
Al
(
ClO
3
)
3
+
3
MgCrO
4
⟶
Al
2
(
CrO
4
)
3
+
3
Mg
(
ClO
3
)
2
{\displaystyle {\ce {2Al(ClO3)3 + 3MgCrO4 -> Al2(CrO4)3 + 3Mg(ClO3)2}}}
2
AlCl
3
+
3
H
2
SO
4
⟶
2
Al
(
SO
4
)
3
+
6
HCl
{\displaystyle {\ce {2AlCl3 + 3H2SO4 -> 2Al(SO4)3 + 6HCl}}}
2
AlF
3
+
Fe
2
O
3
⟶
2
FeF
3
+
Al
2
O
3
{\displaystyle {\ce {2 AlF3 + Fe2O3 -> 2 FeF3 + Al2O3}}}
AlCl
3
+
3
H
2
O
⟶
Al
(
OH
)
3
+
3
HCl
{\displaystyle {\ce {AlCl3 + 3 H2O -> Al(OH)3 + 3 HCl}}}
AlCl
3
(
aq
)
+
3
NaOH
(
aq
)
⟶
Al
(
OH
)
3
(
s
)
+
3
NaCl
(
aq
)
{\displaystyle {\ce {AlCl3_{(aq)}+ 3 NaOH_{(aq)}-> Al(OH)3_{(s)}+ 3 NaCl_{(aq)}}}}
Al
(
H
2
O
)
6
3
+
⟷
Al
(
OH
)
(
H
2
O
)
5
2
+
+
H
+
{\displaystyle {\ce {Al(H2O)_{6}^{3+}<-> Al(OH)(H2O)_{5}^{2+}{}+ H^{+}}}}
Al
(
NO
3
)
3
+
3
NaOH
⟶
Al
(
OH
)
3
+
3
NaNO
3
{\displaystyle {\ce {Al(NO3)3 + 3 NaOH -> Al(OH)3 + 3 NaNO3}}}
2
Al
(
NO
3
)
3
+
3
H
2
SO
4
⟶
Al
2
(
SO
4
)
3
+
6
HNO
3
{\displaystyle {\ce {2 Al(NO3)3 + 3 H2SO4 -> Al2(SO4)3 + 6 HNO3}}}
Al
(
OH
)
3
(
s
)
↽
−
−
⇀
Al
(
aq
)
3
+
+
3
OH
−
(
aq
)
{\displaystyle {\ce {Al(OH)3_{(s)}<=> Al^{3+}_{(aq)}{}+ 3 OH^-_{(aq)}}}}
Al
(
OH
)
3
(
s
)
+
OH
−
(
aq
)
↽
−
−
⇀
[
Al
(
OH
)
4
]
−
(
aq
)
{\displaystyle {\ce {Al(OH)3_{(s)}{}+ OH^-_{(aq)}<=> [Al(OH)4]^-_{(aq)}}}}
Al
(
OH
)
3
+
3
HC
2
H
3
O
2
⟶
Al
(
C
2
H
3
O
2
)
3
+
3
H
2
O
{\displaystyle {\ce {Al(OH)3 + 3 HC2H3O2 -> Al(C2H3O2)3 + 3 H2O}}}
Al
(
OH
)
3
+
3
H
+
⟶
Al
3
+
+
3
HOH
{\displaystyle {\ce {Al(OH)3 + 3 H+ -> Al^{3+}{}+ 3 HOH}}}
Al
(
OH
)
4
−
+
H
+
⟶
Al
(
OH
)
3
+
HOH
{\displaystyle {\ce {Al(OH)4- + H+ -> Al(OH)3 + HOH}}}
Al2 O3 , l'alumine
modifier
Al
2
O
3
+
H
2
SiF
6
⟶
2
AlF
3
+
SiO
2
+
H
2
O
{\displaystyle {\ce {Al2O3 + H2SiF6 -> 2 AlF3 + SiO2 + H2O}}}
Al
2
O
3
+
2
FeF
3
⟶
Fe
2
O
3
+
2
AlF
3
{\displaystyle {\ce {Al2O3 + 2 FeF3 -> Fe2O3 + 2 AlF3}}}
Al
2
O
3
+
3
FeF
2
⟶
3
FeO
+
2
AlF
3
{\displaystyle {\ce {Al2O3 + 3 FeF2 -> 3 FeO + 2 AlF3}}}
Al
2
O
3
+
2
KOH
⟶
2
KAlO
2
+
H
2
O
{\displaystyle {\ce {Al2O3 + 2 KOH -> 2 KAlO2 + H2O}}}
Al
2
O
3
+
3
C
+
3
Cl
2
⟶
2
AlCl
3
+
3
CO
{\displaystyle {\ce {Al2O3 + 3 C + 3 Cl2 -> 2 AlCl3 + 3 CO}}}
2
Al
2
O
3
+
3
C
⟶
4
Al
+
3
CO
2
{\displaystyle {\ce {2 Al2O3 + 3 C -> 4 Al + 3 CO2}}}
2
Al
2
O
3
⟶
4
Al
+
3
O
2
{\displaystyle {\ce {2 Al2O3 -> 4 Al + 3 O2}}}
Al
4
C
3
+
12
H
2
O
⟶
4
Al
(
OH
)
3
+
3
CH
4
{\displaystyle {\ce {Al4C3 + 12 H2O -> 4 Al(OH)3 + 3 CH4}}}
![{\displaystyle {\ce {2Al + 6H2O + 2OH- -> 2[Al(OH)4]- + 3H2}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/960304b64bd52d517459408bd91c709e12696f35)
>
![{\displaystyle {\ce {Al(OH)3_{(s)}{}+ OH^-_{(aq)}<=> [Al(OH)4]^-_{(aq)}}}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/8b35ddeb5af408b4f95c8f7120cd2097be2a0a65)
