weak acid and weak bases (qualitative)

HA, a weak acid, is partially dissociated in water into hydrogen ions and A^- . Which of the following equation represents dissociation of HA, a weak acid, in water?

B, a weak base, can react with water in equilibrium into hydroxide ions and BH⁺ . Which of the following equation represents dissociation of B, a weak base, in water?

dissociation of weak acid, HA, is represented by following equation :

HA(aq) + H₂O(l) ⇌ H₃O⁺(aq) + A^-(aq)

The equilibrium constant for this reaction is represented by K_a . Which of the following equation represents expression of equilibrium constant, K_a?

the following equation represents the equilibrium reaction between weak base, B, with water :

B(aq) + H₂O(l) ⇌ BH⁺(aq) + OH^-(aq)

The equilibrium constant for this reaction is represented by K_b . Which of the following equation represents expression of equilibrium constant, K_b?

Which one IS TRUE about dissociation of weak acid in water ?

1.[H⁺] ions > [OH^-] ions in weak acid-containing solution

2.The numerical value of Equilibrium constant of dissociation of weak acid, K_a, increase as the temperature decrease

3.It makes light bulb glow very bright

4.pOH > 7 in weak acid-containing solution

Which one IS TRUE about dissociation of weak base in water ?

1.[H⁺] ions = [OH^-] ions in weak base-containing solution

2.The numerical value of Equilibrium constant of dissociation of weak base, K_b, decrease as the temperature decrease

3.Weak base are less dissociated in solution as the amount of concentration of common-ion OH^- in solution increase

4.pH > 7 in weak base-containing solution