General Science Chemistry Electrochemistry

Zn2+ → Zn(s) ; Eo = -0.76 V

Cu2+ → Cu(s); Eo = -0.34 V

Which of the following is spontaneous

1
Zn2+ + Cu → Zn + Cu2+
2
Cu2+ + Zn → Cu + Zn2+
3
Zn2+ + Cu2+ → Zn + Cu
4
None of these

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