Chemistry - Complete d-block Question with Solution | TestHub

$A\underset{\Delta }{\overset{KOH,O_2}{⟶}}\underset{(Green)}{2B}+2H_{2}O$

$B\underset{HCl}{⟶}2C\left(purple\right)+Mn{O}_2+H_{2}O$

$2\mathrm{C}\stackrel{{\mathrm{H}}_2\mathrm{O},\mathrm{KI}}{⟶}2\mathrm{A}+\mathrm{KOH}+\mathrm{D}$ In the above sequence of reactions, A and D, respectively, are: