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

question 45

Multiple Choice

The half-reaction occurring at the anode 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:

Hippocampus

A temporal lobe structure that plays a pivotal role in learning and forming new memories.

Mental Imagery

The cognitive process of visualizing scenes, objects, or events without their immediate presence.

Spatial Location

The specific physical position or area in space that an object or person occupies.

Paired Associate Learning

A learning process where two items are linked together in a person's mind, enhancing the recall of one item when presented with the other.