Baitapchuoiphanung-satvadong

  • July 2020
  • PDF

This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA


Overview

Download & View Baitapchuoiphanung-satvadong as PDF for free.

More details

  • Words: 742
  • Pages: 3
BÀI TẬP VỀ SẮT VÀ ĐỒNG

500 C Fe2O3  H 2   2 FeO  H 2O o

1.

500 C Fe2O3  CO   2 FeO  CO2 o

Hoặc 2.

t 4 FeO  O2   2 Fe2O3

3.

t 3Fe2O3  CO   2 Fe3O4  CO2

4.

t Fe3O4  CO   3FeO  CO2

5.

Fe3O4  8 HCl   FeCl2  2 FeCl3  4 H 2O

o

o

o

Hoặc 6. 7.

Fe3O4  4H 2 SO4loãng   FeSO4  Fe2  SO4 3  4H 2O

3Fe3O4  28HNO3   9 Fe  NO3 3  NO  14 H 2O 3 2 Fe  O2  nH 2O   Fe2O3 .nH 2O 2 t Fe2O3  3H 2   2 Fe  3H 2O o

8.

Hoặc

t Fe2O3  3CO   2 Fe  3CO2 

Hoặc

t Fe2O3  2 Al   2 Fe  Al2O3

o

o

t FeO  H 2   Fe  H 2O o

9.

Hoặc

t FeO  CO   Fe  CO2

Hoặc

t 3FeO  2 Al   3Fe  Al2O3

o

o

10.

570 C Fe  H 2O  FeO  H 2

11.

Fe2O3  6 HCl   2 FeCl3  3H 2O

o

Hoặc Hoặc

Fe2O3  3H 2 SO4   Fe2  SO4 3  3H 2O

Fe2O3  6 HNO3   2 Fe  NO3 3  3H 2O

2 Fe  OH 3   Fe2O3  3H 2O to

12. 13. 14. 15.

4Fe3  3K4  Fe  CN 6    Fe4  Fe  CN 6   12K  3

Fe  OH 3  3HCl   FeCl3  3H 2O

Fe3  3OH    Fe  OH 3 

16.

4 Fe  OH 2  O2  2 H 2O   4 Fe  OH 3 

17.

2 FeCl2  Cl2   2 FeCl3 Hoặc

3Fe  NO3 2  4 HNO3loãng   3Fe  NO3 3  NO  2 H 2O

Hoặc

t 2 FeSO4  2 H 2 SO4 ( d )   Fe2  SO4 3  SO2  2 H 2O o

Hoặc 10 FeSO4 Hoặc 18.

19. 20.

 2 KMnO4  8 H 2 SO4   5 Fe2 ( SO4 ) 3  K 2 SO4  2 MnSO4  8 H 2O

6 FeSO4  K 2Cr2O7  7 H 2 SO4   3Fe2 ( SO4 )3  K 2 SO4  Cr2  SO4 3  7 H 2O

2 FeCl3  Cu   2 FeCl2  CuCl2 Hoặc

2 FeCl3  2 KI   2 FeCl2  2 KCl  I 2

Hoặc

2 FeCl3  H 2 S   2 FeCl2  2 HCl  S

Fe  OH 2  2HCl   FeCl2  2H 2O

Fe2  2OH    Fe  OH 2 

21.

3Fe2  2 K 3  Fe  CN 6    Fe3  Fe  CN 6   6 K 

22.

t Fe  OH 2   FeO  H 2O không có không khí

23.

FeO  2 HCl   FeCl2  H 2O

2

o

Hoặc

FeO  H 2 SO4loãng   FeSO4  H 2O

t 4FeS2  11O2   2Fe2O3  8SO2 o

24.

25.

1 Cu  2 HCl  O2   CuCl2  H 2O 2

Cu  HgCl2   CuCl2  Hg 1 to Cu  O   CuO 2 26. 2  CuCl2  H 2O 27. CuO  2 HCl  Hoặc

28.

t Cu  2 H 2 SO4 (d )   CuSO4  SO2  H 2O

29.

CuSO4  BaCl2   BaSO4   CuCl2

o

30. 31. 32. 33.

CuCl2  4 NH 3   Cu  NH3 4 Cl2

CuSO4  2 NaOH   Cu  OH 2  Na2 SO4

Cu  OH 2  2 HCl   CuCl2  2 H 2O

Cu  OH  2  4 NH 3   Cu  NH 3  4   OH 2