Which of These Reactions Occurs at the Anode in This

question 44

Multiple Choice

Which of these reactions occurs at the anode in this fuel cell?
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2H₂ + O₂ → 2H₂O

• A) 2H₂ + 4OH ⁻ → 4H₂O + 4e ⁻
• B) O₂ + 2H₂ O + 4e ⁻ → 4OH ⁻
• C) 4OH ⁻ + 4H⁺ → 4H₂O
• D) 4OH ⁻ + 4e − → 4H₂O
• E) None of these

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Definitions:

Alike in Respects

Similar or comparable in certain ways or aspects.

Causal Relationships

Connections between two events where one event is understood to be a direct result of the other.

Generalization

A broad statement or an idea that applies to a group based on experiences with or observations of a smaller segment of the group.

Controlled Experiments

Experimental designs in which researchers manipulate variables under controlled conditions to determine cause and effect.