What will be the colour of the solution when is treated with concentrated and sodium…

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

Problem

What will be the colour of the solution when

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

is treated with concentrated

\text{HNO}_3

and sodium bismuthate (or red lead or lead dioxide)? (1) Yellow (2) Purple (3) Green (4) Blue