ตารางค่าคงที่ของการแตกตัวของเบส
ตารางค่าคงที่ของการแตกตัวของเบส
เรียงตามค่า Kb จากน้อยไปมาก
ชื่อสาร |
สูตรโมเลกุล |
ปฏิกิริยาเคมี |
Kb |
---|
Perchlorate ion | ClO4 | ClO4 + H2O ⇋ HClO4 + OH- | very small |
Hydrogen sulfate ion | HSO4- | HSO4- + H2O ⇋ H2SO4 + OH- | very small |
Chloride ion | Cl- | Cl- + H2O ⇋ HCl + OH- | very small |
Nitrate ion | NO3- | NO3- + H2O ⇋ HNO3 + OH- | very small |
Hydrogen sulfite ion | HSO3- | HSO3- + H2O ⇋ H2SO3 + OH- | 8.3x10-18 |
Sulfate ion | SO42- | SO42- + H2O ⇋ HSO4- + OH- | 8.3x10-13 |
Dihydrogen phosphate ion | H2PO4- | H2PO4- + H2O ⇋ H3PO4 + OH- | 1.3x10-12 |
fluoride ion | F- | F- + H2O ⇋ HF + OH- | 1.4x10-11 |
Nitrice ion | NO2- | NO2- + H2O ⇋ HNO2 + OH- | 2.2x10-11 |
Formate ion | HCO2- | HCO2- + H2O ⇋ HCO2H + OH- | 5.6x10-11 |
Benzoate ion | C6H5CO2- | C6H5CO2- + H2O ⇋ C6H5CO2H + OH- | 1.6x10-10 |
Acetate ion | CH3CO2- | CH3CO2- + H2O ⇋ CH3CO2H + OH- | 5.6x10-10 |
Propenoate ion | CH3CH2CO2- | CH3CH2CO2- + H2O ⇋ CH3CH2CO2H + OH- | 7.7x10-10 |
Hydrogen carbonate ion | HCO3- | HCO3- + H2O ⇋ HCO3H + OH- | 2.4x10-8 |
Hydrogen sulfide ion | HS- | HS- + H2O ⇋ H2S + OH- | 1.0x10-7 |
Hydrogen phosphate ion | HPO42- | HPO42- + H2O ⇋ H2PO4- + OH- | 1.6x10-7 |
Sulfite ion | SO32- | SO32- + H2O ⇋ HSO3- + OH- | 1.6x10-7 |
Hypochlorite ion | ClO- | ClO- + H2O ⇋ HClO + OH- | 2.9x10-7 |
Ammonia | NH3 | NH3 + H2O ⇋ NH4+ + OH- | 1.8x10-5 |
Cyanide ion | CN- | CN- + H2O ⇋ HCN + OH- | 2.5x10-5 |
Carbonate ion | CO32- | CO32- + H2O ⇋ HCO3- + OH- | 2.1x10-4 |
phosphate ion | PO43- | PO43- + H2O ⇋ HPO42- + OH- | 2.8x10-2 |
Sulfide ion | S2- | S2- + H2O ⇋ HS- + OH- | 1.0x105 |
Ethoxide ion | C2H5O- | C2H5O- + H2O ⇋ C2H5OH + OH- | large |
Amide ion | NH2- | NH2- + H2O ⇋ NH3 + OH- | large |
Hydride ion | H- | H- + H2O ⇋ H2H + OH- | large |
Methide ion | CH3- | CH3- + H2O ⇋ CH4 + OH- | large |