Given: W³⁺(aq)+ 3e^- W(s); E° = 2.72 V

Multiple Choice

Given:
W³⁺(aq) + 3e^- W(s) ; E° = 2.72 V
Pb²⁺(aq) + 2e^- Pb(s) ; E° = -0.13 V
Ni²⁺(aq) + 2e^- Ni(s) ; E° = -0.23 V
Cd²⁺(aq) + 2e^- Cd(s) ; E° = -0.40 V
Zn²⁺(aq) + 2e^- Zn(s) ; E° = -0.76 V
Al³⁺(aq) + 3e^- Al(s) ; E° = -1.66 V
Mg²⁺(aq) + 2e^- Mg(s) ; E° = -2.38 V
Under standard-state conditions,which of the following metals will reduce W³⁺ to W but will not reduce Ni²⁺ to Ni?

A) Cd
B) Pb
C) Al
D) Zn
E) Mg