A coloured compound is formed when MnO2 is fused with KOH , the compound and its colour is

Question

A coloured compound is formed when MnO2 is fused with KOH , the compound and its colour is (A) K2MnO4 , purple green (B) KMnO4 , purple (C) Mn2O3 , brown (D) Mn3O4 black

Tardigrade Admin · Accepted Answer

Potassium manganate is formed when manganese dioxide is fused with KOH, which is purple green coloured compound. MnO2+KOH+O2 arrow K2MnO4+H2O .

Q. A coloured compound is formed when $M n O_{2}$ is fused with $K O H$ , the compound and its colour is

$K_{2} M n O_{4}$ , purple green

$K M n O_{4}$ , purple

$M n_{2} O_{3}$ , brown

$M n_{3} O_{4}$ black

Potassium manganate is formed when manganese dioxide is fused with KOH, which is purple green coloured compound.
$M n O_{2} + K O H + O_{2} \to K_{2} M n O_{4} + H_{2} O$ .

Q. A coloured compound is formed when MnO2​ is fused with KOH , the compound and its colour is

K2​MnO4​ , purple green

KMnO4​ , purple

Mn2​O3​ , brown

Mn3​O4​ black

Potassium manganate is formed when manganese dioxide is fused with KOH, which is purple green coloured compound. MnO2​+KOH+O2​→K2​MnO4​+H2​O .

Q. A coloured compound is formed when $M n O_{2}$ is fused with $K O H$ , the compound and its colour is

$K_{2} M n O_{4}$ , purple green

$K M n O_{4}$ , purple

$M n_{2} O_{3}$ , brown

$M n_{3} O_{4}$ black

Potassium manganate is formed when manganese dioxide is fused with KOH, which is purple green coloured compound.
$M n O_{2} + K O H + O_{2} \to K_{2} M n O_{4} + H_{2} O$ .