:
1. () .. .
2. . , .
3. . . - .
4. (). , .
| 1. | O2, H2S, MgO | |
| 2. | AsH3, CaCl2, N2 | |
| 3. | H2O, F2, AlF3 | |
| 4. | I2, SnCl2, CsBr | |
| 5. | LiF, Cl2, Mg2Si | |
| 6. | H3, HI, NaCl | |
| 7. | F2, NH3, KBr | |
| 8. | O2, HF, LiCl | |
| 9. | N2, H2S, RbI | |
| 10. | I2, SiH4, KF |
11 - 20
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1. , .
2. .
3. ().
4. , . . .
5. , .
| 11. | , , , , , , , (II). |
| 12. | , (II), , , , , (II), (III). |
| 13. | , , , , , , (II), . |
| 14. | , (VI), , (II), , , , . |
| 15. | (II), , , , , (II), , (IV). |
| 16. | , (III), , (II), , (III), , (III). |
| 17. | (V), , (II), (II), , , , . |
| 18. | , , (VI), , (II), (III), (II), (IV). |
| 19. | , , , (III), , , , . |
| 20. | , (VII), , (II), , (III), (III), . |
21-40
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, , () ().
| () | |
| 21. | N : N2O, N2O3, Mg(OH)2, HNO3, NaNO2 |
| 22. | I : I2O5, I2O7, HIO2, NaIO3, Ni(OH)2 |
| 23. | : , O2, 2O3, NaOH, Na2CO3 |
| 24. | Mn : Mn2O3, Mn(OH)2, MnO2, HMnO4, K2MnO4. |
| 25. | Cr : Cr2O3, CrO3, Cr(OH)3, H2CrO4, K2CrO4 |
| 26. | Cl : Cl2O3, Cl2O5, Al(OH)3, HClO4, KClO3 |
| 27. | Bi : BiCl3, Bi2O3, Bi(OH)3, HBiO3, NaBiO3 |
| 28. | S : SO2, SO3, Ca(OH)2, H2SO3, CaSO4 |
| 29. | Br : Br2O, Br2O3, Fe(OH)2, HBrO3, NaBrO4 |
| 30. | Sb : Sb2O3, Sb2O5, Sb(OH)3, H3SbO4, Na3SbO4 |
| () | |
| 31. | H3BO3 : H3BO3 + = KH2BO3 + H2O; H3BO3 + 2 = K2HBO3 + 2H2O; H3BO3 + 3K = K3O3 + 3H2O |
| 32. | r(OH)3 : r(OH)3 + 3Cl = CrCl3 + 3H2O; r(OH)3 + 2Cl = CrOHCl2 + 2H2O; Cr(OH)3 + HCl = Cr(OH)2Cl + H2O |
| 33. | BiCI3 : BiCl3 + KOH = BiOHCl2 + KCl; BiCl3 + 2KOH = Bi(OH)2Cl +2KCl; BiCl3 + 3KOH = Bi(OH)3 + 3KCl |
| 34. | Fe(OH)3 : Fe(OH)3 + Cl = Fe(OH)2Cl + H2O; Fe(OH)3 +2Cl = FeOHCl2 + 2H2O; Fe(OH)3 +3Cl = FeCl3 + 3H2O |
| 35. | H3SbO4 : H3SbO4 + = KH2SbO4 + H2O; H3SbO4 + 2 = K2HSbO4 + 2H2O; H3SbO4 + 3 = K3SbO4 + 3H2O |
| 36. | CoCl3 : CoCl3 + KOH = CoOHCl2 + KCl; CoCl3 + 2KOH = Co(OH)2Cl +2KCl; CoCl3 + 3KOH = Co(OH)3 + 3KCl |
| 37. | H3O4 : H3O4 + = KH2O4 + H2O; H3O4 + 2 = K2HO4 + 2H2O; H3O4 + 3 = K3O4 + 3H2O |
| 38. | Al(OH)3 : Al(OH)3 + 3Cl = AlCl3 + 3H2O; Al(OH)3 + 2Cl = AlOHCl2 + 2H2O; Al(OH)3 + Cl = Al(OH)2Cl + H2O |
| 39. | AlCl3 : AlCl3 + 3KOH = Al(OH)3 + 3KCl; AlCI3 + 2KOH = Al()2Cl +2KCl; AlCl3+ KOH = AlCl2 + KCl |
| 40. | H3AsO4 : H3AsO4 + = KH2AsO4 + H2O; H3AsO4+ 2 = K2HAsO4 + 2H2O; H3AsO4 + 3 = K3AsO4 + 3H2O |
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