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krreok
@krreok
July 2022
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60 БАЛЛОВ!только 5е задание...
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Prikolist5221
А)
Fe3O4 → Fe → X1 → Fe(OH)2 → FeSO4 → X3
4H2 + Fe3O4 = 3Fe + 4H2O
2Fe + 3SO2 = FeSO3 + FeSO3S
FeSO3 + H2O = Fe(OH)2 + SO2↑
Fe(OH)2 + H2SO4 = FeSO4 + 2H2O
FeSO4 + H2O = FeO + H2SO4
Fe → X2 → Fe(OH)3 → Fe2(SO4)3 → X4
3Cl2 + 2Fe = 2FeCl3
FeCl3 + 3NaOH = Fe(OH)3↓ + 3NaCl
3H2SO4 + 2Fe(OH)3 = Fe2(SO4)3 + 6H2O
Fe2(SO4)3 + 3Na2CO3 + 3H2O = 2Fe(OH)3↓ + 3Na2SO4 + 3CO2
Fe(OH)2 → Fe(OH)3
4Fe(OH)2 + O2 + 2H2O = 4Fe(OH)3
Fe(OH)2 → Fe2(SO4)3
4H2SO4 + 2Fe(OH)2 = Fe2(SO4)3 + 6H2O + SO2
FeSO4 → Fe2(SO4)3
2FeSO4 + H2SO4 + 2HNO3 = Fe2(SO4)3 + 2NO2↑ + 2H2O
Fe2(SO4)3 → FeSO4
Na2SO3 + H2O + Fe2(SO4)3 = 2FeSO4 + 2NaHSO4
б)
Fe2O3 → X1 → X2 → Fe(OH)3 → Fe3O4 → X3
Fe2O3 + KClO3 + 4KOH = 2K2FeO4 + KCl + 2H2O
2K2FeO4 + 16HCl = 4KCl + 2FeCl3 + 3Cl2 + 8H2O
FeCl3 + 3NaOH → Fe(OH)3↓ + 3NaCl
Получение Fe(OH)3 → Fe3O4
2Fe(OH)3 = Fe2O3 + 3H2O
3Fe2O3 + CO = 2Fe3O4 + CO2
Продолжение: Fe3O4 → X3
2Fe3O4 + 10H2SO4(конц.) = 3Fe2(SO4)3 + SO2↑ + 10H2O
Fe3O4 → X5
Fe3O4 + 8HI → 3FeI2 + I2 + 4H2O
Fe3O4 → X3 + X4
Fe3O4 + 4H2SO4(разб.) = FeSO4 + Fe2(SO4)3 + 4H2O
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Answers & Comments
Fe3O4 → Fe → X1 → Fe(OH)2 → FeSO4 → X3
4H2 + Fe3O4 = 3Fe + 4H2O
2Fe + 3SO2 = FeSO3 + FeSO3S
FeSO3 + H2O = Fe(OH)2 + SO2↑
Fe(OH)2 + H2SO4 = FeSO4 + 2H2O
FeSO4 + H2O = FeO + H2SO4
Fe → X2 → Fe(OH)3 → Fe2(SO4)3 → X4
3Cl2 + 2Fe = 2FeCl3
FeCl3 + 3NaOH = Fe(OH)3↓ + 3NaCl
3H2SO4 + 2Fe(OH)3 = Fe2(SO4)3 + 6H2O
Fe2(SO4)3 + 3Na2CO3 + 3H2O = 2Fe(OH)3↓ + 3Na2SO4 + 3CO2
Fe(OH)2 → Fe(OH)3
4Fe(OH)2 + O2 + 2H2O = 4Fe(OH)3
Fe(OH)2 → Fe2(SO4)3
4H2SO4 + 2Fe(OH)2 = Fe2(SO4)3 + 6H2O + SO2
FeSO4 → Fe2(SO4)3
2FeSO4 + H2SO4 + 2HNO3 = Fe2(SO4)3 + 2NO2↑ + 2H2O
Fe2(SO4)3 → FeSO4
Na2SO3 + H2O + Fe2(SO4)3 = 2FeSO4 + 2NaHSO4
б)
Fe2O3 → X1 → X2 → Fe(OH)3 → Fe3O4 → X3
Fe2O3 + KClO3 + 4KOH = 2K2FeO4 + KCl + 2H2O
2K2FeO4 + 16HCl = 4KCl + 2FeCl3 + 3Cl2 + 8H2O
FeCl3 + 3NaOH → Fe(OH)3↓ + 3NaCl
Получение Fe(OH)3 → Fe3O4
2Fe(OH)3 = Fe2O3 + 3H2O
3Fe2O3 + CO = 2Fe3O4 + CO2
Продолжение: Fe3O4 → X3
2Fe3O4 + 10H2SO4(конц.) = 3Fe2(SO4)3 + SO2↑ + 10H2O
Fe3O4 → X5
Fe3O4 + 8HI → 3FeI2 + I2 + 4H2O
Fe3O4 → X3 + X4
Fe3O4 + 4H2SO4(разб.) = FeSO4 + Fe2(SO4)3 + 4H2O