The Half-Reaction Occurring at the Cathode in the Balanced Reaction

question 24

Multiple Choice

The half-reaction occurring at the cathode in the balanced reaction shown below is __________. 3MnO₄^- (aq) + 24H⁺ (aq) + 5Fe (s) → 3Mn²⁺ (aq) + 5Fe³⁺ (aq) + 12H₂O (l)

• A)MnO₄^- (aq)+ 8H⁺ (aq)+ 5e^- → Mn²⁺ (aq)+ 4H₂O (l)
• B)2MnO₄^- (aq)+ 12H⁺ (aq)+ 6e^- → 2Mn²⁺ (aq)+ 3H₂O (l)
• C)Fe (s)→ Fe³⁺ (aq)+ 3e^-
• D)Fe (s)→ Fe²⁺ (aq)+ 2e^-
• E)Fe²⁺ (aq)→ Fe³⁺ (aq)+ e^-

---

Definitions:

Motorcycle Manufacturer

A company that designs, produces, and sells motorcycles.

Foreign Subsidiary

A company that is owned or controlled by another company, known as the parent company, and is located in a country different from where the parent company is situated.

Sweatshops

Work environments that have poor working conditions, violations of labor laws, and unethical treatment of workers, often with extremely low pay.

Poor Working Conditions

An environment where the safety, health, and well-being of employees are not adequately protected.