Which of the following best describes the concept of oxidation numbers in redox reactions? A. Oxidation numbers are used to track the transfer of atoms between reactants. B. Oxidation numbers are not relevant to understanding redox reactions. C. An increase in oxidation number always indicates reduction. D. A decrease in oxidation number always indicates oxidation.
A.
Oxidation numbers are used to track the transfer of atoms between reactants.
B.
Oxidation numbers are not relevant to understanding redox reactions.
C.
An increase in oxidation number always indicates reduction.
D.
A decrease in oxidation number always indicates oxidation.
Exam No：AP Chemistry Problem Set 7 Year：2024 Question No：APChemistry2024AP0462
Answer:
A
Knowledge points:
4.7 Types of Chemical Reactions
Solution:
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