Definition
strength of alkali is the extent of ionization of alkali to produce hydroxide ions in aqueous solutions #ChemistryDefinitions
Bases - can be strong or weak, depending on their degree of ionization. ⇒ strong soluble bases (alkalis) such as sodium hydroxide (NaOH) → fully ionized when dissolved in water.
Ammonia(NH3) → weak alkali since it is only partially ionized in water. NH3(g) + H2O(l) NH4+(aq) + OH-(aq)
Definition
strong alkali is a substance which ionizes completely in water to produce a high concentration of hydroxide ions in aqueous solution. #ChemistryDefinitions
Definition
weak alkali is a substance that ionizes partially in water to produce a low concentration of hydroxide ions in aqueous solution. #ChemistryDefinitions
Strong alkalis: (complete ionization) Potassium hydroxide(KOH), rubidium hydroxide(RbOH), calcium hydroxide(Ca(OH)2), barium hydroxide(Ba(OH)2)
Weak alkalis: (partial ionization)
- Aqueous ammonia (ammonia solution)[(NH3)(aq)]
- Methylamine (CH3NH2)