Which one of the following is not feasible?
A. Zn(s) + Cu2+(aq) → Cu(s) + Zn2+(aq)
B. Cu(s) + Zn2++(aq) → Zn(s) + Cu2+(aq)
C. Cu(s) + 2Ag+(aq) → Ag(s) + Cu2+(aq)
D. Fe(s) + Cu2+(aq) → Cu(s) + Fe2+(aq)
Answer:B
Which one of the following is not feasible?
A. Zn(s) + Cu2+(aq) → Cu(s) + Zn2+(aq) B. Cu(s) + Zn2++(aq) → Zn(s) + Cu2+(aq) C. Cu(s) + 2Ag+(aq) → Ag(s) + Cu2+(aq) D. Fe(s) + Cu2+(aq) → Cu(s) + Fe2+(aq)