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polinakotova210
@polinakotova210
August 2022
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Осуществите цепочку превращений:
Fe》FeCl2》FeCl3》Fe(OH)3》FeO3》Fe
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Alexei78
Fe+CL2-->FeCL2
2FeCL2+CL2-->2FeCL3
FeCL3+3NaOH-->Fe(OH)3+3NaCL
2Fe(OH)3-->Fe2O3+3H2O
Fe2O3+3H2-->2Fe+3H2O
5 votes
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Answers & Comments
2FeCL2+CL2-->2FeCL3
FeCL3+3NaOH-->Fe(OH)3+3NaCL
2Fe(OH)3-->Fe2O3+3H2O
Fe2O3+3H2-->2Fe+3H2O