Based on the activity series provided below, which of the following reactions will occur spontaneously as written? Explain why. (The equations are not balanced)
A. Sn4+(aq) + Fe3+(aq) → Sn2+(aq) + Fe2+(aq)
B. Fe2+(aq) + H2(g) → Fe3+(aq) + H+(aq)
C. Zn2+(aq) + Cr(s) → Zn(s) + Cr3+(aq)
D. Fe2+(aq) + Zn(s) → Fe(s) + Zn2+(aq)
E. Zn2+ + Ag(s) → Ag+ + Zn(s)
Activity series provided in document.
