Complete and balance the following equations, and identify the oxidizing and reducing agents. (Use the lowest...

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Chemistry

Complete and balance the following equations, and identify theoxidizing and reducing agents. (Use the lowest possiblecoefficients. Include states-of-matter (s), (l), (g), (aq) similarto the given reaction.)
a.)Â Â MnO₄^-(aq) +CH₃OH(aq) ? Mn²⁺(aq) +HCO₂H(aq) (acidic solution)
b.) H₂O₂(aq) +Cl₂O₇(aq) ?ClO₂^-(aq) +O₂(g) (basic solution)
c.) Cr₂O₇^2-(aq) +I^-(aq) ? Cr³⁺(aq) +IO₃^-(aq) (acidic solution)
d.)Â Â As(s) +ClO₃^-(aq) ?H₃AsO₃(aq) + HClO(aq)(acidic solution)

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4.3 Ratings (877 Votes)

a Given reaction can be written down in two half reactions as follows Oxidation half reaction CH3OH H2O HCOOH 4H 4e Reduction half reaction MnO4 8H 5e Mn2 4H2O Therefore CH3OH is the reducing agent as it itself undergo oxidationloss of electrons and MnO4 is the oxidsing agent as it itself undergo reduction gain of electrons To balance the net equation multiply oxidation half reaction by 5 and reduction half reaction by 4 and add See Answer

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