Oxidation-Reduction Reactions Worksheet
Explore the fundamental concepts of oxidation and reduction reactions, including identifying oxidizing and reducing agents, and balancing redox equations.
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Oxidation-Reduction Reactions
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. In the reaction 2Na + Cl₂ → 2NaCl, which element is oxidized?
Sodium
Chlorine
Both Sodium and Chlorine
Neither
2. An oxidizing agent is a substance that:
Loses electrons
Gains electrons
Is oxidized
Donates electrons
3. The process of gaining electrons is called .
4. A substance that causes another substance to be oxidized is known as an agent.
5. In an oxidation-reduction reaction, both oxidation and reduction occur simultaneously.
True
False
6. The oxidation number of an uncombined element is always +1.
True
False
7. Define oxidation in terms of electron transfer and change in oxidation number.
8. Identify the oxidizing agent and reducing agent in the following reaction: Mg + CuSO₄ → MgSO₄ + Cu
Observe the diagram below and answer the question that follows.
9. Based on the diagram, provide an example of a substance that undergoes oxidation.
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