Which one of the following reactions will occur spontaneously at standard-state conditions and 25°C?
A) Mg2+ + Ca Mg + Ca2+
B) Au + 3K+ Au3+ + 3K
C) 2Al3+ + 3Fe 2Al + 3Fe2+
D) Cu + 2H+ Cu2+ + H2
E) Ni2+ + 2Fe2+(aq) Ni(s) + 2Fe3+(aq)
Correct Answer:
Verified
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