Make up the equation of chemical reactions according to the scheme H2O → H2 → HCl → AlCl3 → Al (OH) 3 → Al2O3.

univerkov | December 21, 2020 | education

1) 2H2O + 2K = 2KOH + H2
2) H2 + Cl2 = HCl (reaction takes place in the light)
3) 6HCl + 2Al = 2AlCl3 + 3H2
4) AlCl3 + 3NaOH = Al (OH) 3 + 3NaCl
5) 2Al (OH) 3 = Al2O3 + 3H2O (over equals “t”, the reaction occurs when aluminum hydroxide is calcined)

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