10 Questions
Which type of reaction involves the transfer of electrons from one atom to another?
A) Redox reaction
Which term is defined as the loss of electrons from atoms of a substance?
C) Oxidation
Which term is defined as the gain of electrons by the atoms of a substance?
C) Reduction
Which substance is considered the oxidizing agent in a redox reaction?
The substance that oxidizes another substance by accepting its electrons
In the reaction 2Al + 2Fe3+ + 3O2– → 2Fe + 2Al3+ + 3O2–, which atom is oxidized?
Aluminum (Al)
Which element in a redox reaction is more electronegative and acts as the oxidizing agent?
The element that has a higher oxidation number
What is the oxidation number of sulfur (S) in a sulfite ion (SO32–)?
+3
Which of the following is the definition of oxidation?
The loss of electrons from atoms of a substance
What is the net ionic equation for the reaction 2KI(aq) + Pb(NO₃)₂ (aq) → PbI₂ (s) + 2KNO₃ (aq)?
2I⁻ (aq) + Pb²⁺ (aq) → PbI₂ (s)
What are oxidation numbers used for in a redox reaction?
To keep track of the movement of electrons
Test your knowledge on oxidation and reduction with this quiz! Learn about the definitions of oxidation and reduction, how to identify oxidizing and reducing agents, and determine the oxidation number of an element in a compound. Familiarize yourself with key terms such as redox reaction, oxidation number, oxidizing agent, and reducing agent. Challenge yourself and review important concepts in this informative quiz.
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