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Consider the Following Half-Reactions:
Ag+(aq)+ E- \to Ag(s)         ~~~~~~~~         ~~~~~~~~ E \circ = +0

Question 34

Multiple Choice

Consider the following half-reactions:
Ag+(aq) + e- \to Ag(s)         ~~~~~~~~        ~~~~~~~~ E \circ = +0.80 V
Cu2+(aq) + 2 e- \to Cu(s)         ~~~~~~~~    ~ ~~ ~ E \circ = +0.34 V
Pb2+(aq) + 2 e- \to Pb(s)         ~~~~~~~~     ~~ ~ ~~ E \circ = -0.13 V
Fe2+(aq) + 2 e- \to Fe(s)         ~~~~~~~~     ~~ ~ ~~ E \circ = -0.44 V
Al3+(aq) + 3 e- \to Al(s)         ~~~~~~~~     ~~~ ~ ~ E \circ = -1.66 V
Which of the above metals or metal ions will oxidize Pb(s) ?


A) Ag+(aq) and Cu2+(aq)
B) Ag(s) and Cu(s)
C) Fe2+(aq) and Al3+(aq)
D) Fe(s) and Al(s)
E) Cu2+(aq) and Fe2+(aq)

Correct Answer:

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