Identify the equations that show the oxidation of neutral atom A and the reduction of neutral atom X. A → A +e¯ X X+e A A* + e X+ X+e A A +e e +X X- A A* +e X +e X
Identify the equations that show the oxidation of neutral atom A and the reduction of neutral atom X. A → A +e¯ X X+e A A* + e X+ X+e A A +e e +X X- A A* +e X +e X
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 3.BCP
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Transcribed Image Text:Mnemonic devices can help in remembering the definitions of oxidation and reduction. Two common mnemonic devices a
• LEO (Losing Electrons: Oxidation) says GER (Gaining Electrons: Reduction), and
• OIL (Oxidation Is Losing) RIG (Reduction Is Gaining).
Identify the equations that show the oxidation of neutral atom A and the reduction of neutral atom X.
A → A +e
X X+e
A At +e
X+ X+e
A A +e
e +X X
A A* +e
X +e X
Answer Bank
reduction of X
oxidation of A
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Transcribed Image Text:Duestion 14 of 25 >
In some chemical reactions, electrons are transferred from one substance to another, but there is no net gain or loss of
electrons during the reaction. These reactions involve the oxidation, or loss of electrons, of one substance, and the reduction
or gain of electrons, of another. This type of reaction is called a redox reaction.
In neutral atoms, such as A and X, the number of protons equals the number of electrons. When atom A loses an electron, the
positive charge of the nucleus becomes greater than the negative charge of the electrons, and the resulting ion has a net
positive charge, forming a cation. In a reaction, the electron must be taken up by another atom, X, which results in more
electrons than protons and a net negative charge on the atom, forming an anion.
Mnemonic devices can help in remembering the definitions of oxidation and reduction. Two common mnemonic devices are
• LEO (Losing Electrons: Oxidation) says GER (Gaining Electrons: Reduction), and
• OIL (Oxidation Is Losing) RIG (Reduction Is Gaining).
Identify the equations that show the oxidation of neutral atom A and the reduction of neutral atom X.
A A +e¯
X X+e
X+ X+e-
A A* +e¯
e +X→ X-
A A +e¯
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