If in presence of is added to a solution containing and

CHEMISTRY · Single correct · ICSE · Chemistry · Analytical Chemistry · Analytical Chemistry

Problem

\text{NH}_4\text{OH}

in presence of

\text{NH}_4\text{Cl}

is added to a solution containing

\text{Al}_2(\text{SO}_4)_3

and

\text{MgSO}_4

, which of the following will precipitate? (1)

\text{Al}(\text{OH})_3

only (2)

\text{Mg}(\text{OH})_2

only (3)

\text{Al}(\text{OH})_3

and

\text{Mg}(\text{OH})_2

(4) None of these