Definition of an oxidizing agent

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SUMMARY

The discussion centers on the definition of an oxidizing agent in the context of a half-reaction involving A, H+, and electrons. The user asserts that A is an oxidizing agent because it is reduced, while their teacher insists that the definition should emphasize that A accepts electrons. Both interpretations are valid, but the teacher's response aligns more closely with standard definitions in chemistry. The key takeaway is that an oxidizing agent is defined by its ability to accept electrons during a redox reaction.

PREREQUISITES
  • Understanding of redox reactions
  • Familiarity with half-reactions in electrochemistry
  • Knowledge of electron transfer processes
  • Basic grasp of oxidation and reduction terminology
NEXT STEPS
  • Study the principles of redox reactions in detail
  • Learn about the role of oxidizing and reducing agents in chemical reactions
  • Explore electrochemical cell functions and their applications
  • Review standard definitions and examples of half-reactions in chemistry
USEFUL FOR

Chemistry students, educators, and anyone interested in understanding redox reactions and the role of oxidizing agents in chemical processes.

tomkoolen
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Hello everyone,

This may seem like a weird question, but today I had a discussion with my teacher in which I won't give up so easily.

There was a test question that went like this:
"A + 2 H+ + 2 e- ---> B

Use this half-reaction to define whether A is a reducing agent or an oxidizing agent."

My answer:
"A is an oxidizing agent because it is reduced itself."

My teacher won't give me points for this because he feels the answer should be: "A is an oxidizing agent because it accepts electrons." which is exactly the same thing as my answer, except for the fact that my answer uses a term which puts the stress on the fact that that electron acception can be regarded as the reduction of that species.

Could anyone come up with another argument supporting my answer?
Thanks in advance!
 
Last edited:
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I don't understand the discussion. Question doesn't ask WHY it is an oxidizing agent, it asks WHETHER it is an oxidizing agent. And you answered that part.
 

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