6. No, it is not a strong base. It is a weak acid with pKa of 5. See DISSOCIATION CONSTANTS OF INORGANIC ACIDS AND BASES IN AQUEOUS SOLUTION at the page numbered 143 (page 12 of the file). Share. Cite. Improve this answer. Follow. answered Nov 18, 2015 at 16:27. The reaction of any strong acid with any strong base goes essentially to completion, as does the reaction of a strong acid with a weak base, and a weak acid with a strong base. Examples of the last two are as follows: Equation 4.32. HCl (aq) strong acid +NH3(aq) weak base → NH4Cl (aq) salt. Equation 4.33. List of Weak Bases Ammonium Hydroxide (NH 4 OH) Aniline (C 6 H 5 NH 2) Ammonia (NH 3) Methylamine (CH 3 NH 2) Ethylamine (CH 3 CH 2 NH 2) Aluminum hydroxide (Al (OH) 3) Magnesium Hydroxide (Mg (OH) 2) Pyridine (C 5 H 5 N) Sodium Bicarbonate (NaHCO 3) The hydrogen ion from the acid combines with the hydroxide ion to form water, leaving the nitrite ion as the other product. The resulting solution is not neutral (pH \(= 7\)), but instead is slightly basic. Reactions can also involve a weak base and strong acid, resulting in a solution that is slightly acidic. Hydrofluoric acid \(HF_{(aq)}\) reacts directly with glass (very few chemicals react with glass). Hydrofluoric acid is used in glass etching. Strong and Weak Bases and Base Ionization Constant, Kb. As with acids, bases can either be strong or weak, depending on their extent of ionization. So we can identify weak bases by looking at a "p"K_"a" table. Caution: The "p"K_"a" value measures the position of an equilibrium. ("conj. base of H"_2"O") Water is a weak acid, so the hydroxide ion is a strong base. It "wants" to use its lone pair electrons to form a covalent bond. Thus, the position of equilibrium lies far to the left. .

which hydroxide is a weak base