Given: Zn²⁺(aq)+ 2e^- Zn(s); E° = -0.76 V

Multiple Choice

Given:
Zn²⁺(aq) + 2e^- Zn(s) ; E° = -0.76 V
Co²⁺(aq) + 2e^- Co(s) ; E° = -0.28 V
Sn²⁺(aq) + 2e^- Sn(s) ; E° = -0.15 V
Pb²⁺(aq) + 2e^- Pb(s) ; E° = -0.13 V
Fe³⁺(aq) + e^- Fe²⁺(aq) ; E° = 0.77 V
Under standard-state conditions,which of the following pairs of elements or ions is capable of reducing Sn²⁺(aq) to Sn(s) ?

A) Zn(s) or Co(s)
B) Pb(s) or Fe²⁺(aq)
C) Co(s) or Pb(s)
D) Fe²⁺(aq) or Zn(s)
E) Zn²⁺(aq) or Co²⁺(aq)