Which of the following salt does not get hydrolysed in water
Which of the following salt does not get hydrolysed in water
$\mathrm{KClO}_{4}$
$\mathrm{NH}_{4} \mathrm{Cl}$
$\mathrm{CH}_{3} \mathrm{COONa}$
None of these
Solution
Only salts of (weak acid + strong base) and (strong acid + weak base) get hydrolysed (i.e., show alkalinity or acidity in water). $\mathrm{KClO}_{4}$ is a salt of strong acid and strong base therefore it does not get hydrolysed in water.
$\mathrm{KClO}_{4} ightleftharpoons \mathrm{K}^{+}+\mathrm{ClO}_{4}^{-} ; \mathrm{H}_{2} \mathrm{O} ightleftharpoons \mathrm{OH}^{-}+\mathrm{H}^{+}$
