D-And F-Block Elements Ques 55

Question: On heating pyrollusite with $ KOH $ in presence of air we get

Options:

A) $ KMnO_4 $

B) $ K_2MnO_4 $

C) $ Mn{{(OH)}_2} $

D) $ Mn_3O_4 $

Show Answer

Answer:

Correct Answer: B

Solution:

$ \underset{pyrollusite}{\mathop{MnO_2}},+KOH,\to ,K_2MnO_4 $



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