Multiple Choice
Which of the following is NOT true of standard reduction potential?
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20. Electrochemistry
Standard Reduction Potentials
Back20. Electrochemistry
Standard Reduction Potentials
- Multiple ChoiceGiven the standard electrode reduction potentials: Zn^{2+} + 2e^- ightarrow Zn ext{ } E^ext{0} = -0.76 ext{ V} and Cu^{2+} + 2e^- ightarrow Cu ext{ } E^ext{0} = +0.34 ext{ V}, which metal will be oxidized when a zinc electrode and a copper electrode are connected in a voltaic cell?15views
- Multiple ChoiceWhich of the following statements correctly compares the standard reduction potentials (at 25°C) of Cu^{2+}/Cu and Cd^{2+}/Cd?18views
- Multiple ChoiceGiven the following standard reduction potentials:A^{2+} + 2e^- → A(s)E^ext{°} = -0.50ext{ V}B^{+} + e^- → B(s)E^ext{°} = +0.20ext{ V}Which species is the stronger oxidizing agent under standard conditions?23views
- Multiple ChoiceConsider these two entries from a fictional table of standard reduction potentials:A: X^{2+} + 2e^- → X(s)E^ext{°} = -0.50 VB: Y^{+} + e^- → Y(s)E^ext{°} = +0.30 VWhich species is the stronger oxidizing agent under standard conditions?16views
- Multiple ChoiceWhat is the standard reduction potential of a standard hydrogen electrode (SHE)?14views
- Multiple Choice
What is the oxidation number of each underlined element?
a) P4 b) BO33– c) AsO42– d) HSO4–
1367views6rank2comments - Multiple Choice
In the following reaction identify the oxidizing agent and the reducing agent:
Cr2O72- + 6 Fe2+ + 14 H+ → 2 Cr3+ + 6 Fe3+ + 7 H2O
1450views7rank5comments - 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)
638views - 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)
682views - 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)
715views - Multiple ChoiceIdentify the oxidizing agent in the following balanced reaction.
3 Pb2+ (aq) + 2 Cr (s) → 3 Pb (s) + 2 Cr3+ (aq)
608views - Multiple Choice
Rank 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)
651views5rank - Multiple Choice
Determine which species can oxidize Br2.
766views5rank1comments - Open Question
Wse the information in the Aleks data tab to sort the following chemical species by oxidizing power.
427views