Textbook Question
Classify each reaction as an oxidation, a reduction, or neither.
(d)
(e)
(f)
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13. Alcohols and Carbonyl Compounds
Oxidizing and Reducing Agents
Multiple Choice
Which of the following are the reduced forms of the electron carriers and ?
A
and
B
and
C
and
D
and
Verified step by step guidance1
Understand the role of electron carriers: NAD+ and FAD are coenzymes that play a crucial role in cellular respiration by accepting electrons and becoming reduced.
Identify the reduced forms: When NAD+ accepts electrons, it is reduced to NADH. Similarly, when FAD accepts electrons, it is reduced to FADH2.
Recognize the chemical changes: The reduction of NAD+ to NADH involves the addition of a hydride ion (H⁻), while the reduction of FAD to FADH2 involves the addition of two hydrogen atoms.
Compare with given options: Analyze the options provided to determine which ones represent the reduced forms of NAD+ and FAD.
Select the correct answer: Based on the understanding of the reduction process, identify that NADH and FADH2 are the correct reduced forms of NAD+ and FAD, respectively.
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