Practice - Identifying Oxidation and Reduction in Reactions
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Practice Questions
Test your understanding with targeted questions
What is the oxidation number of oxygen in water (H2O)?
💡 Hint: Remember the typical oxidation state of oxygen in most compounds.
Identify the species that is oxidized in the reaction: 2Mg + O2 → 2MgO.
💡 Hint: What loses electrons?
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following substances is reduced in the reaction 4Fe + 3O2 → 2Fe2O3?
💡 Hint: Identify which element gains electrons in the overall reaction.
True or False: Oxidation is the gain of electrons.
💡 Hint: Recall the basic definitions of oxidation and reduction.
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Challenge Problems
Push your limits with advanced challenges
Given the reaction: 2H2 + O2 → 2H2O, identify the oxidation numbers for each element and balance the reaction.
💡 Hint: Balance one type of atom at a time and be aware of the changes in oxidation states.
For the reaction: C4H10 + 13O2 → 8CO2 + 10H2O, analyze the oxidation states of carbon and oxygen.
💡 Hint: Remember to analyze the state of each element in both reactants and products to find oxidation states.
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