Chemistry - Ionic Equilibrium Question with Solution | TestHub

Consider the following statements
$\left(\mathrm{a}\right)$The pH of a mixture containing$400\mathrm{ }\mathrm{m}\mathrm{L}$of$0.1\mathrm{ }\mathrm{M}\mathrm{ }{\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_4$and$400\mathrm{ }\mathrm{m}\mathrm{L}$of$0.1\mathrm{ }\mathrm{M}\mathrm{ }\mathrm{N}\mathrm{a}\mathrm{O}\mathrm{H}$will be approximately$1.3.$
$\left(\mathrm{b}\right)$Ionic product of water is temperature dependent.
$\left(\mathrm{c}\right)$A monobasic acid with${\mathrm{K}}_{\mathrm{a}}={10}^{-5}$has a$\mathrm{p}\mathrm{H}=5$. The degree of dissociation of this acid is$50\mathrm{\%}$.
$\left(\mathrm{d}\right)$The Le Chatelier's principle is not applicable to common-ion effect.
The correct statements are: