Multiple Choice
In the context of redox reactions in cellular respiration, which electron carrier transfers electrons to Complex III in the electron transport chain?
6. Chemical Quantities & Aqueous Reactions
Redox Reactions
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Which pair of molecules are both oxidizing agents in redox reactions?
A
H2 and CO
B
H2O and NH3
C
N2 and CH4
D
O2 and H2O2
Verified step by step guidance1
Understand the concept of oxidizing agents: In a redox reaction, an oxidizing agent is a substance that gains electrons and is reduced in the process. It causes another substance to be oxidized.
Identify the role of oxygen in redox reactions: Oxygen (
) is a common oxidizing agent because it readily accepts electrons to form oxide ions.
Consider hydrogen peroxide (
): Hydrogen peroxide is also an oxidizing agent because it can decompose to form water and oxygen, releasing electrons in the process.
Evaluate the given pairs: Analyze each pair of molecules to determine if they can act as oxidizing agents. For example,
and
are not typically oxidizing agents.
Conclude with the correct pair: Based on the analysis,
and
are both oxidizing agents in redox reactions.
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