Mastering Redox Reactions

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Questions and Answers

What is a redox reaction?

A redox reaction is a chemical reaction that involves a transfer of electrons and changes in oxidation number.

What is an oxidation reaction?

An oxidation reaction is a reaction that takes an electron from one substance.

What is a reduction reaction?

A reduction reaction is a reaction that gives an electron to a substance.

What is an oxidizing agent?

An oxidizing agent is the substance that causes the oxidation in another substance. Signup and view all the answers

What is a reducing agent?

A reducing agent is a substance that causes another substance to reduce. Signup and view all the answers

How can you identify an oxidizing agent?

To identify an oxidizing agent, you can look at the oxidation number of an atom before and after the reaction. If the oxidation number is greater in the product, then it lost electrons and the substance was oxidized. Signup and view all the answers

How can you identify a reducing agent?

To identify a reducing agent, you can look at the oxidation number of an atom before and after the reaction. If the oxidation number is less, then it gained electrons and was reduced. Signup and view all the answers

What is a redox reaction?

A redox reaction is a reaction in which one substance gives up an electron and another substance takes that electron. Signup and view all the answers

What is an oxidizing agent?

An oxidizing agent is the substance that causes the oxidation in another substance. Signup and view all the answers

What is a reducing agent?

A reducing agent is something that causes another substance to reduce. Signup and view all the answers

How is the substance that is reduced in a reaction identified?

The substance that is reduced in a reaction is identified as the oxidizing agent because it gains electrons. Signup and view all the answers

How is the substance that is oxidized in a reaction identified?

The substance that is oxidized in a reaction is identified as the reducing agent because it loses electrons. Signup and view all the answers

What is the oxidation number?

The oxidation number is a measure of the number of electrons that an atom has gained or lost. Signup and view all the answers

How do you balance a redox equation?

Balancing redox equations is done in three steps: 1. Break the reaction into half-reactions. 2. Balance the atoms that are not involved in the redox process. 3. Balance the electrons lost and gained in the half-reactions. Signup and view all the answers