Question

Which of the following is a spontaneous reaction? Select one: a. Fe(s) + Mg2+(aq) → Fe2+...

Which of the following is a spontaneous reaction?

Select one:

a. Fe(s) + Mg2+(aq) → Fe2+ (aq) + Mg(s)

b. Pb(s) + Fe2+(aq) → Pb2+ (aq) + Fe(s)

c. 2Na (s) + Ca2+ (aq) → 2Na+(aq) + Ca (s)

d. Li(s) + K+(aq) → Li+ (aq) + K(s)

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