NCERT Problem 7.5 - Redox Reactions

Question: Determine oxidation states in H2S2O5, Cr2O7^2- and NO3- and explain the limitation of an average oxidation number.

Answer: Average S in H2S2O5 is +4, Cr is +6, and N is +5. An average oxidation number may not describe inequivalent atoms in a structure.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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