Which of the following is not an acidic salt?

The solution of the salt formed from a strong acid and a weak base,$FeCl_3$,is:

$A$ salt $X$ is dissolved in water $(pH = 7)$,and the resulting solution becomes alkaline in nature. The salt is made of:

It is found that at $25\,\text{°C}$,$0.1\,M$ solutions of four sodium salts $NaA$,$NaB$,$NaC$,and $NaD$ have the $pH$ values $7$,$9$,$10$,and $11$ respectively. Which one of the corresponding acids is the strongest?

In the hydrolysis of a salt of a weak acid and a strong base,$A^{-} + H_{2}O \rightleftharpoons HA + OH^{-}$,the hydrolysis constant $(K_{h})$ is equal to...

Which of the following salt solutions is highly acidic?