Question

能够水解的离子有哪些?高中阶段的,

Answer 1

弱酸阴离子:亚硫酸根离子,亚硫酸氢根离子,碳酸根离子,碳酸氢根离子,磷酸根离子,磷酸一氢根离子,亚硝酸根离子,氟离子,次氯酸根离子
弱酸阴离子 及其水解方程式
CH3COO- + H2O --- CH3COOH + OH-
AlO2- + H2O --- Al(OH)3 + OH-
HCO3- + H2O --- H2CO3 + OH-
CO32- + H2O --- HCO3- + OH-
PO4 3- + H2O --- HPO4 2- + OH-
HPO4 3- +H2O --- H2PO4- + OH-
S2- + H2O --- HS- + OH-
HS- + H2O --- H2S + OH-
SO3 2- + H2O --- HSO3- + OH-
HSO3- + H2O --- H2SO3 + OH-
F- + H2O --- HF + OH-
弱碱阳离子 及其水解方程式
Al3+ + 3H2O --- Al(OH)3 + 3H+
Mg2+ + 2H2O --- Mg(OH)2 + 2H+
NH4+ + H2O --- NH3H2O + H+
Ag+ + H2O --- AgOH + H+
Fe2+ + H2O --- Fe(OH)2 + 2H+
Fe3+ + H2O --- Fe(OH)3 + 3H+