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Question: Answered & Verified by Expert
In chemical reaction of potassium ferrocyanide and hydrogen peroxide in the presence of dil. H2SO4
Chemistryd and f Block ElementsNEET
Options:
  • A Ferrocyanide gets reduced to ferricyanide
  • B Ferrocyanide gets oxidised
  • C Iron does not change its oxidation state
  • D Hydrogen peroxide is oxidised
Solution:
2328 Upvotes Verified Answer
The correct answer is: Ferrocyanide gets oxidised
In reaction of potassium ferrocyanide and hydrogen peroxide in the presence of dil. H2SO4
[Fe(CN)6]4- is oxidised by H2O2 into [Fe(CN)6]3- ions.
2 K 4 [Fe (CN) 6 ]+ H 2 O 2 →2 K 3 [Fe (CN) 6 ]+2KOH

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