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Groovik
@Groovik
October 2021
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Помогите составить цепочку.
Al > AlCl3 > K[Al(OH)4] > Al2(SO4)3 > Al(OH)3 > KAlO2
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Answers & Comments
Mallberry
2Al + 6HCl = 2AlCl3 + 3H2
AlCl3 + 4KOH(конц.) =K[Al(OH)4] + 3KCl
2K[Al(OH)4]
+ 4H2SO4 = Al2(SO4)3 + K2SO4 + 8H2O
Al2(SO4)3 + 6KOH = 2Al(OH)3 + 3K2SO4
Al(OH)3 + KOH(сплав) = KAlO2 + 2H2O
1 votes
Thanks 1
Darkness21
Al -> AlCl3 -> K[Al(OH)4] -> Al2(SO4)3 -> Al(OH)3 -> KAlO2
1) 2Al + 3Cl2 --> 2AlCl3
2) AlCl3 + 4KOH --> K[Al(OH)4] + 3KCl
3) 2
K[Al(OH)4] + 4H2SO4 --> Al2(SO4)3 + K2SO4 + 8H2O
4) Al2(SO4)3 + 6NaOH --> 2Al(OH)3 + 3Na2SO4
5) Al(OH)3 + KOH --> KAlO2 + 2H2O
2 votes
Thanks 2
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Answers & Comments
AlCl3 + 4KOH(конц.) =K[Al(OH)4] + 3KCl
2K[Al(OH)4] + 4H2SO4 = Al2(SO4)3 + K2SO4 + 8H2O
Al2(SO4)3 + 6KOH = 2Al(OH)3 + 3K2SO4
Al(OH)3 + KOH(сплав) = KAlO2 + 2H2O
1) 2Al + 3Cl2 --> 2AlCl3
2) AlCl3 + 4KOH --> K[Al(OH)4] + 3KCl
3) 2K[Al(OH)4] + 4H2SO4 --> Al2(SO4)3 + K2SO4 + 8H2O
4) Al2(SO4)3 + 6NaOH --> 2Al(OH)3 + 3Na2SO4
5) Al(OH)3 + KOH --> KAlO2 + 2H2O