Which of the following metals is least likely to corrode spontaneously?
(Standard reduction potentials: Fe²⁺/Fe = –0.44 V; Cu²⁺/Cu = +0.34 V; Ag⁺/Ag = +0.80 V; Zn²⁺/Zn = –0.76 V)
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| Name | Advanced Placement |
| Code | Advanced Placement |
| Vendor | College Admission and Placement |
| Certification | College Board |