Standard reduction potentials in acid solution

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Consider the following standard reduction potentials in acid solution. Which half reaction is the most favored process thermodynamically?

                                                               E°(V)

A) Al 3+ + 3e- -> Al(s)                         -1.66

B) AgBr (s) + e- -> Ag(s) + Br-            +0.07

C) Sn 4+ + 2e- -> Sn2+                         +0.14

D) Fe 3+ + e- -> Fe2+                            +0.77

E) O 2 + 4e- + 4H+ -> H2O                   +1.23

Reference no: EM13898003

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