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Q.

What is the oxidation state of ‘Fe’ in the product formed when acidified potassium ferrocyanide K4[Fe(CN)6] is treated with hydrogen peroxide?

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a

+2

b

+3

c

+1

d

+6

answer is B.

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Detailed Solution

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K4[Fe+2(CN)6] +H2SO4+ H2O2  K3[Fe+3(CN)6] +K2SO4+H2O

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