BÀI TẬP VỀ KIM LOẠI PHÂN NHÓM CHÍNH NHÓM II (IIA) 1. 2 2 o t Ca C CaC + → 2. 2 2 2 2 2CaC HCl CaCl C H + → + 3. ( ) 2 2 2 2 ó vách ngan 2 2 dpdd c CaCl H O Ca OH Cl H+ → + + 4. ( ) 2 2 o t Ca OH CaO H O → + 5. 2 3 CaO CO CaCO + → 6. ( ) 3 2 2 3 2 CaCO CO H O Ca HCO + + → 7. ( ) 3 3 2 2 2 o t Ca HCO CaCO CO H O → + + 8. ( ) ( ) 3 2 2 2 2 1 2 o t Ca NO Ca NO O → + 9. ( ) 3 3 3 2 2 2 2CaCO HNO Ca NO CO H O+ → + ↑ + 10. ( ) 2 3 3 2 2 2CaCl AgNO Ca NO AgCl + → + ↓ 11. 3 2 2 2 2CaCO HCl CaCl CO H O + → + + 12. 2 3 3 2 Ca H CO CaCO H + → ↓ + ↑ 13. ( ) 2 2 2 2Ca H O Ca OH H + → + ↑ 14. ( ) 2 3 2 2du Ca OH CO CaCO H O + → ↓ + 15. ( ) 2 2 2 2 Ca OH Cl CaOCl H O + → + 16. ít CO 2 2 2 2 2 ox CaOCl CaCl O→ + ↑ Hoặc 2 2 2 2 2CaOCl HCl CaCl H O Cl + → + + ↑ 17. 900 3 2 o C CaCO CaO CO→ + ↑ 18. ( ) 2 2 CaO H O Ca OH+ → 19. ( ) 2 2 2 2 ôkh Ca OH Cl CaOCl H O + → + 20. ( ) 2 2 2 2 2CaOCl HCOOH HCOO Ca Cl H O + → + ↑ + 21. ( ) 2 4 4 2 2HCOO Ca H SO CaSO HCOOH + → + Để lâu ta có CaSO 4 .2H 2 O 22. 150 4 2 4 2 2 2 .2 2 . 2 o C CaSO H O CaSO H O H O → + 23. 2 2 dpnc CaCl Ca Cl → + 24. 2 2 3 3 2CaCl Na CO CaCO NaCl + → ↓ + 25. 2 1 2 Ca O CaO + → 26. ( ) 2 2 CaO H O Ca OH + → 27. ( ) 2 3 2 2 Ca OH CO CaCO H O + → ↓ + 28. ( ) 3 2 2 3 2 CaCO CO H O Ca HCO + + → 29. ( ) 3 3 2 2 2 o t Ca HCO CaCO CO H O → + ↑ + 30. 900 3 2 o C CaCO CaO CO → + ↑ 31. ( ) 2 3 2 2 CO Ca OH CaCO H O + → ↓ + 32. 3 2 2 2 2CaCO HCl CaCl CO H O + → + + 33. ( ) 2 3 3 2 2 2CaCl AgNO Ca NO AgCl + → + ↓ 34. ( ) 3 2 4 4 3 2 2Ca NO H SO CaSO HNO + → + Ít tan 35. 2 1 2 Ca O CaO + → 36. 2000 2 3 o C CaO C CaC CO + → + 37. 2 2 4 4 2 2 CaC H SO CaSO C H + → + 38. 600 4 4 4 o C CaSO C CaS CO+ → + 39. ( ) 3 4 3 4 2 2 3 2 3CaS H PO Ca PO H S + → + ↑ 40. ( ) ( ) 3 4 2 4 4 2 4 2 2 2 ( ) 2Ca PO H SO d CaSO Ca H PO + → ↓ + Hoặc ( ) ( ) 3 4 3 4 2 4 2 2 4 3Ca PO H PO Ca H PO + → 41. ( ) 2 4 2 4 4 3 4 2 2Ca H PO H SO CaSO H PO + → ↓ + 42. 2 2 dpnc MgCl Mg Cl → + 43. 2 1 2 Mg O MgO + → 44. ( ) 3 3 2 2 2MgO HNO Mg NO H O + → + 45. ( ) 3 2 2 2 1 2 2 o t Mg NO MgO NO O→ + + 46. 2 2 2MgO HCl MgCl H O + → + 47. ( ) 2 2 2 2MgCl NaOH Mg OH NaCl + → ↓ + 48. ( ) ( ) 3 3 2 2 2 2 2Mg OH CH COOH CH COO Mg H O + → + 49. ( ) 3 3 3 3 2 o t CH COO Mg MgCO CH COCH → + 50. ( ) 2 2 o t Mg OH MgO H O → + 51. 2 4 4 2 MgO H SO MgSO H O + → + 52. 4 2 3 3 2 4 MgSO Na CO MgCO Na SO + → ↓ + 53. ( ) 3 2 2 3 2 MgCO CO H O Mg HCO + + → . BÀI TẬP VỀ KIM LOẠI PHÂN NHÓM CHÍNH NHÓM II (IIA) 1. 2 2 o t Ca C CaC + → 2. 2 2 2 2 2CaC HCl CaCl C H