Which of the following will dissolve in a mixture of NaOH and ?

CHEMISTRY · Single correct · CBSE · Chemistry · d- and f-Block Elements · d- and f-Block Elements

Problem

Which of the following will dissolve in a mixture of NaOH and

\text{H}_2\text{O}_2

? (1)

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

(2)

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

(3)

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

(4)

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