Constant Table

Home Theory Periodic Table Constant Table About

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