acid ionization constant K a
description
Transcript of acid ionization constant K a
acid ionization constant Ka
HX ↔ X- + H+
[X-] [H+]
Ka = ------------------
[HX]
base ionization constant Kb
X + H20 ↔ HX+ + OH-
[HX+] [OH-]
Kb = ------------------
[X]
Write ionization equations and acid ionization constant expressions for the following acids.
HF
HF
HF ↔ H+ + F-
HF
HF ↔ H+ + F-
[F-] [H3O+]
Ka = ------------------
[HF]
HF
HF ↔ H+ + F-
[F-] [H+]
Ka = ------------------
[HF]
HCN
HCN
HCN ↔ H+ + CN-
HCN
HCN ↔ H+ + CN-
[CN-] [H3O+]
Ka = ------------------
[HCN]
HCN
HCN ↔ H+ + CN-
[CN-] [H+]
Ka = ------------------
[HCN]
Write ionization equations and base ionization constant expressions for the following bases.
CH3NH2
CH3NH2
CH3NH2 + H2O ↔ CH3NH3+ + OH-
CH3NH2
CH3NH2 + H2O ↔ CH3NH3+ + OH-
[CH3NH3+ ] [OH-]
Kb = -------------------------
[CH3NH2]
Quick Work
Use the next ten minutes to do problems 10 & 11 on
pages 605 & 606
HClO2
HClO2
HClO2↔ H+ + ClO2-
HClO2
HClO2↔ H+ + ClO2-
[ClO2-] [H3O+]
Ka = ------------------
[HClO2]
HClO2
HClO2↔ H+ + ClO2-
[ClO2-] [H3O+]
Ka = ------------------
[HClO2]
HNO2
HNO2
HNO2↔ H+ + NO2-
HNO2
HNO2↔ H+ + NO2-
[NO2-] [H3O+]
Ka = ------------------
[HNO2]
HNO2
HNO2↔ H+ + NO2-
[NO2-] [H3O+]
Ka = ------------------
[HNO2]
HIO
HIO
HIO↔ H+ + IO-
HIO
HIO↔ H+ + IO-
[IO-] [H3O+]
Ka = ------------------
[HIO]
HIO
HIO↔ H+ + IO-
[IO-] [H3O+]
Ka = ------------------
[HIO]
C6H13NH2
C6H13NH2
C6H13NH2 + H2O ↔ C6H13NH3+ + OH-
C6H13NH2
C6H13NH2 + H2O ↔ C6H13NH3+ + OH-
[C6H13NH3+ ] [OH-]
Kb = -------------------------
[C6H13NH2]
C6H13NH2
C6H13NH2 + H2O ↔ C6H13NH3+ + OH-
[C6H13NH3+ ] [OH-]
Kb = -------------------------
[C6H13NH2]
C3H7NH2
C3H7NH2
C3H7NH2 + H2O ↔ C3H7NH3+ + OH-
C3H7NH2
C3H7NH2 + H2O ↔ C3H7NH3+ + OH-
[C3H7NH3+ ] [OH-]
Kb = -------------------------
[C3H7NH2]
C3H7NH2
C3H7NH2 + H2O ↔ C3H7NH3+ + OH-
[C3H7NH3+ ] [OH-]
Kb = -------------------------
[C3H7NH2]
CO32-
CO32-
CO32- + H2O ↔ HCO3
- + OH-
CO32-
CO32- + H2O ↔ HCO3
- + OH-
[HCO3- ] [OH-]
Kb = -------------------------
[CO32-]
CO32-
CO32- + H2O ↔ HCO3
- + OH-
[HCO3- ] [OH-]
Kb = -------------------------
[CO32-]
HSO3-
HSO3-
HSO3-+ H2O ↔ H2SO3
+ OH-
HSO3-
HSO3-+ H2O ↔ H2SO3
+ OH-
[H2SO3 ] [OH-]
Kb = -------------------------
[HSO3-]
HSO3-
HSO3-+ H2O ↔ H2SO3
+ OH-
[H2SO3 ] [OH-]
Kb = -------------------------
[HSO3-]