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Question: Answered & Verified by Expert
Mn2+ can be converted into Mn7+ by reacting with
Chemistryd and f Block ElementsJEE Main
Options:
  • A SO2
  • B Cl2
  • C PbO2
  • D SnCl2
Solution:
2048 Upvotes Verified Answer
The correct answer is: PbO2
Strong oxidising agents such as PbO2 or sodium bismuthate (NaBiO3) oxidise Mn2+ to MnO4- or Mn7+.

2 Mn 2 + + 5 PbO 2 + 4 H + 2 MnO 4 - + 5 Pb 2 + + 2 H 2 O

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