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Question

What happens when an alkaline solution of potassium ferricyanide is reacted with H2O2?

A
Poatassium ferricyanide is oxidised to potassium ferricyanide and H2O2 is oxidised
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B
Potassium ferricyanide becomes colorless and H2O2 is oxidised to O2
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C
Potassium ferricyanide is reduced to ferrichydroxide and H2O2 is oxidised to H2O
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D
Potassium ferricyanide is reduced to potassium ferrocyanide and H2O2 is oxidised to O2
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Solution

The correct option is D Potassium ferricyanide is reduced to potassium ferrocyanide and H2O2 is oxidised to O2
When an alkaline solution of potassium ferricyanide is reacted with H2O2, potassium ferricyanide is reduced to potassium ferrocyanide and H2O2 is oxidised to O2.
2K3[Fe(CN)6]+2KOH2K4[Fe(CN)6]+H2O+[O]
H2O2+[O]H2O+O2

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