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angelina202
@angelina202
July 2022
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Даю 40 балов. Напишите уравнение реакции, с помощью которых можно осуществить следующее превращение.
Fe2O3 --- Fe2(SO4)3 --- Fe(OH)3 --- Fe2O3 --- Fe --- FeCl2
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Potassium
Fe2O3 + 3H2SO4 = Fe2(SO4)3 + 3H2O
Fe2(SO4)3 + 6KOH = 2Fe(OH)3 + 3K2SO4
2Fe(OH)3 (t)= Fe2O3 + 3H2O
Fe2O3 + 3C (t)= 2Fe + 3CO
Fe + 2HCl = FeCl2 + H2
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Answers & Comments
Fe2(SO4)3 + 6KOH = 2Fe(OH)3 + 3K2SO4
2Fe(OH)3 (t)= Fe2O3 + 3H2O
Fe2O3 + 3C (t)= 2Fe + 3CO
Fe + 2HCl = FeCl2 + H2