1.

Potassium manganite (K_(2)MnO _(3)) is formed when

Answer»

chlorine is passe dinto aqueous `KMnO_(4)` solution
manganes dioxide is fused with potassium hydroxide in air
`MnSO_(4)` is reacted WHTI AQ. `KMnO_(4)`
`K_(2)MnO_(4)` on red heat

Answer :D


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