Multiple ChoiceWhat is the oxidation number of each underlined element?a) P4 b) BO33– c) AsO42– d) HSO4–962views6rank2comments
Multiple ChoiceIn the following reaction identify the oxidizing agent and the reducing agent:Cr2O72- + 6 Fe2+ + 14 H+ → 2 Cr3+ + 6 Fe3+ + 7 H2O1075views7rank5comments
Multiple ChoiceIdentify the species that is being oxidized in the following balanced reaction. 3 Pb2+ (aq) + 2 Cr (s) → 3 Pb (s) + 2 Cr3+ (aq)378views
Multiple ChoiceWhat is the coefficient of NO when the following redox reaction is balanced in acidic solution? NO3‾ (aq) + Cu (s) → NO (s) + Cu2+ (aq)334views
Multiple ChoiceDetermine the total number of electrons transferred in the following balanced reaction. 4 MnO4– (aq) + 12 H3O+ (aq) → 4 Mn2+ (aq) + 5 O2 (g) + 18 H2O (g)446views
Multiple ChoiceIdentify the oxidizing agent in the following balanced reaction. 3 Pb2+ (aq) + 2 Cr (s) → 3 Pb (s) + 2 Cr3+ (aq)378views
Multiple ChoiceRank the given metal ions in order of increasing strength as an oxidizing agent.Pb2+ (-0.13 V), Mn2+ (-1.18 V), Cu2+ (+0.16 V), Co3+ (+1.82 V), Fe3+ (+0.77 V)376views1rank
Open QuestionWse the information in the Aleks data tab to sort the following chemical species by oxidizing power.199views
Open Question(b) Using the standard reduction potentials in Appendix E, calculate the standard voltage generated by the hydrogen fuel cell in acidic solution.
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