Cрочно!!Составьте цепочку превращений: 1)Fe >> 2)FeO >> 3)Fe₂O₃ >> 4)Fe(OH₃)
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5)Fe(OH)₂ >> 6)FeCl2 >> 7)FeCl₃
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5)Fe(OH)₂ >> 6)FeCl2 >> 7)FeCl₃
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Answers & Comments
4FeO+O2 = 2Fe2O3
Fe2O3 + 6HCl = 2FeCl3 + 3H2O
FeCl3 + 3NaOH = Fe(OH)3 + 3NaCl
Fe(OH)2 + 2HCl = FeCl2 + 2H2O
2FeCl2 + Cl2 = 2FeCl3
Verified answer
2Fe+O2=2FeOFeO+O2=Fe2O3Fe2O3+H2=Fe(OH3)Fe (OH3)+H2=Fe (OH)2Fe (OH)2+2HCl=FeCl2+2H2OFeCl2+HCl=FeCl3+H2