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Question: Answered & Verified by Expert
A coloured compound is formed when MnO2 is fused with KOH , the compound and its colour is
Chemistryd and f Block ElementsJEE Main
Options:
  • A K2MnO4 , purple green
  • B KMnO4 , purple
  • C Mn2O3 , brown
  • D Mn3O4 black
Solution:
2455 Upvotes Verified Answer
The correct answer is: K2MnO4 , purple green
Potassium maganate is formed when mangnese dioxide is fused with KOH, which is purple green coloured compound.

MnO2+KOH+O2K2MnO4+H2O .

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