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Oxidation-Reduction Reactions

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Types of Reactions

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Lesson Focus

Oxidation-Reduction Reactions

Chemistry

Learning Made Easy

You get to know the major kinds of chemical reactions including polymerization, hydrolysis, combustion, replacements, and redox. Experiment with some electrochemical reactions as well.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Explain oxidation-reduction reactions.
  • Describe oxidizing and reducing agents.
  • Explain that both reduction and oxidation reactions occur in the same medium.

Everything You'll Have Covered

What happens to the zinc and the copper in the oxidation reaction?

~ In the oxidation reaction, the oxidation state of zinc increases from 0 to 2+, while the oxidation state of copper decreases from 2+ to 0. For every mole of zinc, two electrons are transferred to the copper during the reaction.

What is the difference between an oxidation reaction and a reduction reaction?

~ In an oxidation reaction, the oxidation state of a substance increases by releasing electrons. In a reduction reaction, the oxidation state decreases because electrons are gained.

In a redox reaction, what role does the reducing agent play?

~ In a redox reaction, the reducing agent causes reduction by providing electrons to another substance. The reducing agent contains the atom that shows an increase in oxidation number.

In a redox reaction, what role does the oxidizing agent play?

~ In a redox reaction, the oxidizing agent is the substance that causes the oxidation of another substance by accepting its electrons. The oxidizing agent contains the atoms that show a decrease in oxidation number.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should be familiar with the terms chemical reaction, chemistry, and copper.
Course Chemistry
Type of Tutorial Animation
Key Vocabulary chemical reaction, chemistry, copper