The aqueous solution of $AlCl_3$ is:

The aqueous solution of which one of the following is basic?

The aqueous solution of $AlCl_3$ is acidic due to the hydrolysis of

The correct formula for the $pK_h$ value of a salt formed from a weak acid and a weak base is .....

An aqueous solution of $CuSO_4$ will be:

Calculate the $pH$ at the equivalence point in the titration of $25 \ mL$ of $0.1 \ M$ formic acid with a $0.1 \ M$ $NaOH$ solution (given that $pK_a$ of formic acid $= 3.74$). $[log \ 2 = 0.30]$