Given the following list of half-reaction reduction potentials, identify the reaction that will occur spontaneously as written: Half-reaction E° (V) Cr3+ (aq) + 3 e ---> Cr (s) Sn4+ (aq) + 2 e |-0.74 ---> Sn2* (ag) +0.154 Fe2+ (aq) + 2 e Fe3+ (aq) + e ---> Fe (s) -0.440 ---> Fe2* (aq) +0.771

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Given the following list of half-reaction reduction potentials, identify the reaction that
will occur spontaneously as written:
Half-reaction
E° (V)
-0.74
Cr3+ (aq) + 3 e ---> Cr (s)
Sn2+ (aq)
+0.154
Sn4+ (aq) + 2 e
Fe2+ (aq)
--->
+ 2 e
---> Fe (s)
-0.440
Fe3+ (aq) + e
Fe2+ (aq)
+0.771
--->
3 Sn (aq) + 2 Cr (s) ---> 2 Cr (aq) + 3 Sn (aq)
3 Fe2 (aq)
Fe (s) +2 Fe (aq)
--->
Sn (aq) + Fe (aq)
Sn²* (aq) + Fe²* (aq)
--->
Sn (aq) + Fe (aq)
---> Sn-* (ag) + Fe (s)
3 Fe (s) + 2 Cr (aq) --->
2Cr (s) + 3 Fe (aq)
Transcribed Image Text:Given the following list of half-reaction reduction potentials, identify the reaction that will occur spontaneously as written: Half-reaction E° (V) -0.74 Cr3+ (aq) + 3 e ---> Cr (s) Sn2+ (aq) +0.154 Sn4+ (aq) + 2 e Fe2+ (aq) ---> + 2 e ---> Fe (s) -0.440 Fe3+ (aq) + e Fe2+ (aq) +0.771 ---> 3 Sn (aq) + 2 Cr (s) ---> 2 Cr (aq) + 3 Sn (aq) 3 Fe2 (aq) Fe (s) +2 Fe (aq) ---> Sn (aq) + Fe (aq) Sn²* (aq) + Fe²* (aq) ---> Sn (aq) + Fe (aq) ---> Sn-* (ag) + Fe (s) 3 Fe (s) + 2 Cr (aq) ---> 2Cr (s) + 3 Fe (aq)
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