The following half-reactions are arranged from most reactive to least reactive.
Br₂ (l) + e^–→ 2 Br^– (aq)
Cu⁺ (aq) + e^– → Cu (s)
Mo³⁺ (aq) + 3 e^– → Mo(s)
Li⁺ (aq) + e^– → Li (s)


i) Identify the strongest oxidizing agent
ii) Identify the strongest reducing agent?
iii) Will the following reaction proceed?  Mo³⁺ (aq) + Cu (s) → Mo(s) + Cu⁺ (aq)

• A. i) Cu, ii) Li, iii) Yes
• B. i) Li, ii) Br₂, iii) No
• C. i) Br₂, ii) Li, iii) No
• D. i) Br₂, ii) Cu, iii) Yes

Answer: (C)