Предмет: Химия, автор: светик20132013

напишите уравнение реакции , укажите условия их протекания: Fe-FeCl2-Fe(OH)2-Fe(OH)3-Fe2O3-Fe2(SO4)3

Ответы

Автор ответа: КSаNа

Fe+ 2HCl = FeCl2 + H2

FeCl2 + 2NaOH = 2NaCl + Fe(OH)2 (осадок)

4Fe(OH)2 + 2H2O + O2 =4 Fe(OH)3 (осадок)

2Fe(OH)3 = Fe2O3 +3 H2O

Fe2O3 + 3H2SO4 = Fe2(SO4)3 + 3H2O

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