BIO3^- + Mn^2+ ---------------> MnO4^- + Bi^3+ oxidation half reaction reduction
ID: 700482 • Letter: B
Question
BIO3^- + Mn^2+ ---------------> MnO4^- + Bi^3+
oxidation half reaction reduction half reaction
Mn^2+ ------------> MnO4^- BiO3^- -------------> Bi^3+
Mn^2+ + 4H2O ------------> MnO4^- BiO3^- -------------> Bi^3+ + 3H2O
Mn^2+ + 4H2O ------------> MnO4^- +8H^+ BiO3^- + 6H^+ -------------> Bi^3+ + 3H2O
Mn^2+ + 4H2O ------------> MnO4^- +8H^+ + 5e^- BiO3^- + 6H^+ +2e^--------------> Bi^3+ + 3H2O
2Mn^2+ + 8H2O ------------> 2MnO4^- +16H^+ + 10e^- 5BiO3^- + 30H^+ +10e^--------------> 5Bi^3+ + 15H2O
2Mn^2+ + 8H2O ------------> 2MnO4^- +16H^+ + 10e^-
5BiO3^- + 30H^+ +10e^--------------> 5Bi^3+ + 15H2O
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5BiO3^- + 2Mn^2+ + 14H^+ ----------------> 2MnO4^- + 5Bi^3+ + 7H2O
Explanation / Answer
17) (8 Points) Complete and balance the following redox reaction: Bio' + Mn2+ Mno,- + Bi. (in acidic solution)
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