What is an oxidation-reduction (redox) reaction?
Oxidation Reduction Reactions

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Chemistry
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An oxidation-reduction (redox) reaction is a chemical reaction in which the oxidation states of one or more species are changed. It involves the transfer of electrons between two species.
2.
FLASHCARD QUESTION
Front
Define oxidation in the context of redox reactions.
Back
Oxidation is the process in which an atom, ion, or molecule loses electrons, resulting in an increase in oxidation state.
3.
FLASHCARD QUESTION
Front
Define reduction in the context of redox reactions.
Back
Reduction is the process in which an atom, ion, or molecule gains electrons, resulting in a decrease in oxidation state.
4.
FLASHCARD QUESTION
Front
What is an oxidizing agent?
Back
An oxidizing agent is a substance that gains electrons in a redox reaction and is thereby reduced.
5.
FLASHCARD QUESTION
Front
What is a reducing agent?
Back
A reducing agent is a substance that loses electrons in a redox reaction and is thereby oxidized.
6.
FLASHCARD QUESTION
Front
What happens to the oxidation state of an element that is reduced?
Back
The oxidation state of an element that is reduced decreases.
7.
FLASHCARD QUESTION
Front
What is a half-reaction in redox chemistry?
Back
A half-reaction is an equation that shows either the oxidation or reduction process separately, indicating the transfer of electrons.
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