A blackish - brown solid (A) is oxidised in air with the hydroxide of – InterviewSolution

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1.	A blackish - brown solid (A) is oxidised in air with the hydroxide of an alkali metal. It produces a deep green compound (B) which on electrolytic oxidation in alkaline medium produces a deep green compound (B) which on electrolytic oxidation in alkaline medium produces a deep violet compound (C ). Identify A, B and C.
Answer» Solution :`A : MnO_(2), B : K_(2)MnO_(4), C : KMnO_(4)`

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