BOI DUONG HSG HOA 9

[r]

BÀI TẬP VỀ KIM LOẠI PHÂN NHÓM CHÍNH NHĨM I

1.

1 2 dpnc

NaCl Na  Cl

2. ó màng ngan 2

1 2 dpdd

c

NaCl  H O NaOH  O  Cl

3. 2

1

Na H O NaOH  H

4. 2NaOH 2Al2H O2 2NaAlO2 3H2  5. NaAlO2 CO2 2H O2 Al OH 3 NaHCO3 6.  3 3

o

t C

Al OH  Al O  H O

7.

3 2

2

dpnc

Al O  Al  O

8. NaOH CO2 NaHCO3

9. NaHCO3  NaOH Na CO2 H O2

10. Na CO2 CO2  H O2 2NaHCO3 11. Na CO2 3 2HCl 2NaCl CO2  H O2 12. 2NaCl  H O2 dpddNaCl  NaClO H2 

Hoặc Cl2 2NaOH  NaCl  NaClO  H O2

13. NaClO2HCl  NaCl Cl2  H O2

14. 3 ( ) 2

o t KOH d

NaClO NaCl  NaClO

15. 5NaClO3 6P 3P O2 5NaCl

16. 2Na  H2 2NaH

17. NaH H O2 NaOH H2 

18. NaOH  HCl NaCl  H O2

19. NaCl  AgNO3  NaNO3  AgCl 

20. 2

1

o

t

NaNO NaNO  O

21. 2 4 80 4

oC

NaClH SO HCl  NaHSO

Hoặc 2 250 2

oC

NaCl  H SO  HCl  Na SO

22. 4HCl MnO2 MnCl2 Cl2  H O2

Hoặc 16HCl 2KMnO4 5Cl2 2KCl2MnCl2 8H O2 Hoặc 14HCl K Cr O2 3Cl2 2CrCl3 2KCl7H O2

23. 100 3

oC

Cl  KOH  KCl  KClO  H O 24. Cl2 2KOHdd KCl KClO H O2

25. KClOCO2  H O2 KHCO3  HClO

26. NaClO 2HCl NaCl  H O2 Cl2

27.

1 2

dpnc

NaCl Na Cl

28. Cl2 Ca OH 2 khô CaOCl2  H O2

29.

ít CO

2 2

2CaOCl ox 2CaCl O 

30. 2

dpnc

CaCl Ca Cl

31. 3

o

t dd

Cl  KOH  KCl KClO  H O

32. 3

o

t

33. Na O2  H O2 2NaOH

34. 2

1

2

2 dpnc

NaOH  Na O  H O

35. 2

o

t

Na Cl  NaCl

36. 2

dpdd

NaCl H O NaCl NaClOH 

Hoặc Cl2 2NaOH NaCl NaClO H O2

37. NaClO 2HCl NaCl Cl2  H O2 38. 2NaClO H SO2 Na SO2  2HClO

39. K S2 2H O2 2KOH  H S2  40. Cl2 2KOHdd KClKClOH O2

41.

70

3

3KClO oCKClO 2KCl

42. 4 3

o

t

KClO  KClO KCl

43. 2

o

t

KClO KCl  O