JEE Mains · Chemistry · STD 12 - 4. d and f- block elements
\( MnO_{4}^{2-} \) in acidic medium, disproportionates to:
- A \( Mn_{2}O_{7} \) and \( MnO_{2} \)
- B \( MnO_{4}^{-} \) and MnO
- C \( MnO_{4}^{-} \) and \( MnO_{2} \)
- D \( Mn_{2}O_{7} \) and MnO
Answer & Solution
Correct Answer
(C) \( MnO_{4}^{-} \) and \( MnO_{2} \)
Step-by-step Solution
Detailed explanation
\( 3MnO_{4}^{2-}+4H^{+} \rightarrow 2MnO_{4}^{-}+MnO_{2}+2H_{2}O \)
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