Chemistry - Ionic Equilibrium Question with Solution | TestHub

${\mathrm{Ka}}_1,{\mathrm{Ka}}_2$ and ${\mathrm{Ka}}_3$ are the respective ionization constants for the following reactions $\left(\mathrm{a}\right),\left(\mathrm{b}\right)$ and $\left(\mathrm{c}\right)$.

(a) ${\mathrm{H}}_2{\mathrm{C}}_2{\mathrm{O}}_4\rightleftharpoons {\mathrm{H}}^{+}+{\mathrm{HC}}_2{\mathrm{O}}_4^{-}$

(b) ${\mathrm{HC}}_2{\mathrm{O}}_4^{-}\rightleftharpoons {\mathrm{H}}^{+}+{\mathrm{HC}}_2{\mathrm{O}}_4^{2-}$

(c) ${\mathrm{H}}_2{\mathrm{C}}_2{\mathrm{O}}_4\rightleftharpoons 2{\mathrm{H}}^{+}+{\mathrm{C}}_2{\mathrm{O}}_4^{2-}$

The relationship between ${\mathrm{K}}_{{\mathrm{a}}_1},{ \mathrm{K}}_{{\mathrm{a}}_2}$ and ${\mathrm{K}}_{{\mathrm{a}}_3}$ is given as