Practice - Identifying Oxidation and Reduction in Redox Reactions
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Practice Questions
Test your understanding with targeted questions
What does oxidation mean?
💡 Hint: Think about what happens to electrons.
What is a mnemonic to help remember oxidation and reduction?
💡 Hint: It’s about the electrons!
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Interactive Quizzes
Quick quizzes to reinforce your learning
What process does oxidation refer to?
💡 Hint: Think about OIL RIG.
True or False: Reduction occurs when an element loses electrons.
💡 Hint: Remember the meanings of oxidation and reduction.
1 more question available
Challenge Problems
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A complex redox reaction involves Cr₂O₇²⁻ + C₂O₄²⁻ → Cr³⁺ + CO₂. Assign oxidation states and identify all oxidized and reduced substances.
💡 Hint: Pay attention to the oxidation states before and after the reaction.
Consider the reaction of hydrogen peroxide (H₂O₂) decomposing into water (H₂O) and oxygen (O₂). Identify the oxidation states of hydrogen and oxygen and determine the changes.
💡 Hint: How does the oxidation state of oxygen change?
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