Redox Reactions And Electrochemistry Ques 358

Question: In the following conversion of chromite into soluble chromium salt 4Fe(CrO2)2+8Na2CO3+7O22Fe2O3+8NaCrO4+8CO2 There is

Options:

A) Oxidation of Fc and Cr both and reduction of O2

B) oxidation of Fe and reduction of Cr

C) oxidation of Fe and Cr both reduction of barbon

D) No redox reaction

Show Answer

Answer:

Correct Answer: A

Solution:

[a] Fe2++2,+2CrO2+3,+O20,Fe2+3,O32,+CrO42+6, Fe2+ and Cr3+ are oxidized (increase in oxidation number) O2 is reduced,



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