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Will oxygen, O2, oxidize iron(II) ion in solution under standard conditions? Cathode (Reduction) Half-Reaction Standard Potential, E(V) O2(g) +4H+(aq) +4e- ----- 2H2O(l) 1.23 Fe3+(aq) +e- ---- Fe2+(aq) 0.77   yes no

Will oxygen, O2, oxidize iron(II) ion in solution under standard conditions? Cathode (Reduction) Half-Reaction Standard Potential, E(V) O2(g) +4H+(aq) +4e- ----- 2H2O(l) 1.23 Fe3+(aq) +e- ---- Fe2+(aq) 0.77   yes no

Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.18QAP
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Answer the following questions by referring to standard electrode potentials at 25°C.

  1. Will oxygen, O2, oxidize iron(II) ion in solution under standard conditions?

    Cathode (Reduction)
    Half-Reaction    		 Standard Potential, E(V)
    O2(g) +4H+(aq) +4e- ----- 2H2O(l) 1.23
    Fe3+(aq) +e- ---- Fe2+(aq) 0.77

     

    yes
    no

     

  2. Will silver metal reduce 1.0 M  Ni2+(aq) to metallic nickel?

    Cathode (Reduction)
    Half-Reaction    		 Standard Potential, E(V)
    Ni2+(aq) +2e- ----Ni(s) –0.23
    Ag+(aq) +e- ---- Ag(s) 0.80

     

    yes
    no
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