Redox Equilibrium

Flashcard
•
Chemistry
•
11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a redox reaction?
Back
A redox reaction, or oxidation-reduction reaction, is a chemical reaction in which the oxidation states of one or more substances are changed. It involves the transfer of electrons between two species.
2.
FLASHCARD QUESTION
Front
What happens during oxidation?
Back
During oxidation, a substance loses electrons, which can result in an increase in oxidation state. It may also involve the gain of oxygen or the loss of hydrogen.
3.
FLASHCARD QUESTION
Front
What is reduction in a chemical reaction?
Back
Reduction is the process in which a substance gains electrons, leading to a decrease in oxidation state. It may also involve the loss of oxygen or the gain of hydrogen.
4.
FLASHCARD QUESTION
Front
What is the oxidation state of an element?
Back
The oxidation state (or oxidation number) is a measure of the degree of oxidation of an atom in a substance. It indicates the number of electrons that an atom can gain, lose, or share when forming chemical bonds.
5.
FLASHCARD QUESTION
Front
What is the relationship between oxidation and reduction?
Back
Oxidation and reduction are complementary processes; when one substance is oxidized (loses electrons), another is reduced (gains electrons). This is known as the redox principle.
6.
FLASHCARD QUESTION
Front
What is an oxidizing agent?
Back
An oxidizing agent is a substance that facilitates oxidation by accepting electrons from another substance. It is reduced in the process.
7.
FLASHCARD QUESTION
Front
What is a reducing agent?
Back
A reducing agent is a substance that donates electrons to another substance, causing that substance to be reduced. It is oxidized in the process.
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