Which of the following will spontaneously reduce Fe^2 under standard conditions?

Question

Which of the following will spontaneously reduce Fe^2 under standard conditions? a) cr^3 b) cr^2+ c) pb^2+ d) pb e) none of the above 2. which of the following is the strongest oxidizing agent? a) cr2Or^2- b) Zn C) Zn^2+ d) cr^3+ 3. A galvanic cell is contructed using the following half reactions: Which of the following represents the half reaction that occurs at the anode of the cell? a) Ni^2+ + 2e^- rightarrow ni b) cd^2+ + 2e^- rightarrow cd C) Ni rightarrow NI^2+ + 2e^- d) Cd rightarrow Cd^2+ + 2 e^- 4. In a disproportination reaction, the smae species is both oxidezed and reduced a) Find the value of E^m Loacl for the disproportionation of MnO2 c) Find the value of deltaG degree, (including units) for the disproportionation of MnO_2: Show work

Explanation / Answer

1 is Cr 3+

2 is Cr2O7-

3 is c and b

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