Chemistry - Ionic Equilibrium Question with Solution | TestHub

In any type of acid-base titration, there is a sudden change in the $\mathrm{pH}$ value at the end point. During the titration of a weak acid with a strong base, beyond the equivalent point, the solution will contain the salt and excess of free base. ${\mathrm{CH}}_3\mathrm{COOH}+\mathrm{NaOH}⟶\underset{\text{Sodium acetate}}{{\mathrm{CH}}_3\mathrm{COONa}}+{\mathrm{H}}_2\mathrm{O}$ Due to the presence of free base, solution becomes alkaline in nature.