Q. A coloured compound is formed when $MnO_{2}$ is fused with $KOH$ , the compound and its colour is
NTA AbhyasNTA Abhyas 2022
Solution:
Potassium manganate is formed when manganese dioxide is fused with KOH, which is purple green coloured compound.
$MnO_{2}+KOH+O_{2} \rightarrow K_{2}MnO_{4}+H_{2}O$ .
$MnO_{2}+KOH+O_{2} \rightarrow K_{2}MnO_{4}+H_{2}O$ .