Which of the following pairs of ions can't coexist in aqueous solution under standard-state conditions because a spontaneous redox reaction occurs?
A) Sn4+ and Fe3+
B) Sn4+ and Fe2+
C) Sn2+ and Fe3+
D) Sn2+ and Fe2+
E) None of these pairs of ions can coexist.
Correct Answer:
Verified
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