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:

Alternate Form Reliability

The consistency of test scores among different versions of the same test, ensuring that various forms are comparable.

Test-Retest Reliability

A measure of consistency where a test is given to the same group of people at two different points in time, and the scores are compared to assess the reliability of the test.

Correlation

A measure of the relationship between two or more variables, indicating how changes in one variable are associated with changes in another.

Psychological Assessment

A systematic gathering and evaluation of information pertaining to an individual with suspected abnormal behaviour.