Given below are two statements : Statement (I) : Fusion of MnO2 with KOH and an oxidising agent gives dark green K2MnO4. Statement (II) : Manganate ion on electrolytic oxidation in alkaline medium giv

Question

Given below are two statements : Statement (I) : Fusion of MnO2 with KOH and an oxidising agent gives dark green K2MnO4. Statement (II) : Manganate ion on electrolytic oxidation in alkaline medium gives permanganate ion. In the light of the above statements, choose the correct answer from the options given below.

(A) Both Statement I and Statement II is true
(B) Both Statement I and Statement II is false
(C) Statement I is true but Statement II is false
(D) Statement I is false but Statement II is true

Prashant Kotian · Accepted Answer

Correct answer: A. MnO2 + 4KOH + O2 fused  2K2MnO4 + 2H2O Dark green Electrolytic oxidation in alkaline medium : At anode : 4 MnO MnO e     

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