Question

Using the following standard reduction potentials
Fe3+(aq) + e- -> Fe2+(aq) E = +0.77 V
Pb2+(aq) + 2 e- -> Pb(s) E = -0.13 V
calculate the standard cell potential for the galvanic cell reaction given below, and determine whether or not this reaction is spontaneous under standard conditions.
Pb2+(aq) + 2 Fe2+(aq) -> 2 Fe3+(aq) + Pb(s)
A) E = -0.90 V, nonspontaneous
B) E = -0.90 V, spontaneous
C) E = +0.90 V, nonspontaneous
D) E = +0.90 V, spontaneous

Answer

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