Multiple Choice
Which of the following molecules is a source of electrons donated to the electron transport chain in cellular respiration?
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6. Chemical Quantities & Aqueous Reactions
Redox Reactions
Multiple Choice
In redox reactions, what is the process called when a substance loses electrons and gains oxygen?
A
Precipitation
B
Neutralization
C
Oxidation
D
Reduction
Verified step by step guidance1
Understand the definitions of key terms in redox reactions: Oxidation and Reduction.
Recall that oxidation is the process where a substance loses electrons. This often involves an increase in oxidation state.
Recognize that gaining oxygen is commonly associated with oxidation because oxygen is highly electronegative and tends to pull electrons away from other elements.
Note that reduction is the opposite process, where a substance gains electrons and often loses oxygen.
Conclude that the process where a substance loses electrons and gains oxygen is called \( \textbf{oxidation} \).
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