Multiple Choice
Which of the following equations represents an oxidation-reduction (redox) reaction?
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6. Chemical Quantities & Aqueous Reactions
Redox Reactions
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Which of the following processes involves the transfer of electrons?
A
Precipitation reactions
B
Acid-base neutralization reactions
C
Oxidation-reduction (redox) reactions
D
Dissolution of ionic compounds in water
Verified step by step guidance1
Understand that the transfer of electrons is a hallmark of oxidation-reduction (redox) reactions, where one species loses electrons (oxidation) and another gains electrons (reduction).
Recognize that precipitation reactions involve the formation of a solid from ions in solution, but do not necessarily involve electron transfer; they are mainly about ion combination.
Know that acid-base neutralization reactions involve the transfer of protons (H⁺ ions) rather than electrons, so they are not redox processes.
Realize that dissolution of ionic compounds in water involves the separation of ions but does not involve electron transfer; it is a physical process of dissociation.
Conclude that among the given options, only oxidation-reduction (redox) reactions involve the transfer of electrons.
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