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Which One of the Following Reactions Will Occur Spontaneously at Standard-State

Question 16

Multiple Choice

Which one of the following reactions will occur spontaneously at standard-state conditions and 25°C?


A) Mg2+ + Ca →\rarr Mg + Ca2+
B) Au + 3K+ →\rarr Au3+ + 3K
C) 2Al3+ + 3Fe →\rarr 2Al + 3Fe2+
D) Cu + 2H+ →\rarr Cu2+ + H2
E) Ni2+ + 2Fe2+(aq) →\rarr Ni(s) + 2Fe3+(aq)

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